The 1990 Chevrolet Corvette ZR-1 represents one of the most ambitious engineering projects in the history of America’s...
CORVETTE MODELS
C4 Corvette ZR-1 (1990–1995):
The Complete Guide
Every C4 Corvette ZR-1, 1990–1995: The King of the Hill: the Lotus-designed, Mercury Marine-built DOHC LT5, 375 then 405 horsepower, a wide rear body, a ZF six-speed, 175 mph and a price nearly twice the coupe’s. The story, every model year with its own section, the specs and the figures, how many were built, and buyer guide.
Quick Nav: The Story · The Years · Chart · 1990 · 1991 · 1992 · 1993 · 1994 · 1995 · Specs · The Siblings · The Cars · Racing · Guides · Videos · News · Buyer’s Guide · What to Pay · Known Issues · Market Reports · For Sale · FAQs
The Basics
The Car: The King of the Hill: the Lotus-designed, Mercury Marine-built DOHC LT5, 375 then 405 horsepower, a wide rear body, a ZF six-speed, 175 mph and a price nearly twice the coupe’s
Years: 1990–1995 (6 model years)
Built: 6,939 by GM’s counts
Engine: LT5 5.7-liter all-aluminum DOHC 32-valve V8, 375 hp (1990–92) / 405 hp (1993–95)
Power: 375 to 405 hp
Performance: 0–60 in 4.4 s · quarter mile 12.9 @ 111 · 179 mph (1993, period test)
Price New: $58,995 to $68,043
The Code: RPO ZR-1, $27,016 (1990) to $31,258 (1995) over the coupe
Predecessor: C3 Corvette ZR1
Successor: C6 Corvette ZR1
Related: Corvette ZR1 guide, the C4 hub, C4 Corvette Grand Sport
The Overview
The C4 Corvette ZR-1 was built 1990–1995, 6,939 cars by GM’s counts. The King of the Hill: the Lotus-designed, Mercury Marine-built DOHC LT5, 375 then 405 horsepower, a wide rear body, a ZF six-speed, 175 mph and a price nearly twice the coupe’s.
The King of the Hill: an all-aluminum 5.7-liter V-8 with four camshafts and 32 valves, designed by Lotus and built by Mercury Marine, in a Corvette with a three-inch-wider tail, 315-section rear tires, a ZF six-speed and FX3 adjustable shocks as standard. 375 horsepower and 180 mph in 1990, 405 horsepower from 1993, $58,995 to $68,043 against $32,000 to $37,000 for the coupe, and 6,939 built: 3,049, 2,044, 502, 448, 448 and 448. A 1990 ZR-1 set the 24-hour world record at 175.885 mph at Fort Stockton in March 1990. In 2026 driven cars sold for $15,000 to $40,000 and the best for $53,500 to $85,000, with Classic.com’s benchmark at $37,240 in October.
This page has every model year of the C4 Corvette ZR-1 in its own section with the year page’s account, the specs, the numbers and the posts; the figures by year; the colors; how it compares to its siblings; the site’s guides, videos and news; and a buyer’s guide: which year to buy, what to pay, how to verify one, what goes wrong and the site’s market reports. The Corvette ZR1 guide has the whole line across every generation.
The C4 Corvette ZR-1 Story
The C4 Corvette ZR-1
The next ZR-1 came in 1990, adding the hyphen and an array of features that made this C4 very different from the others. The most significant difference was the Lotus-engineered 5.7-liter dual overhead camshaft V8.
The C4 ZR-1 Corvette, even some 30 years after its initial year of production, carries indisputable performance merit, the likes of which few can deny. In fact, the ZR-1 is often cited as the car which helped fend off threats, both foreign and domestic in origin, to the Corvette’s elite performance car status. However, after only 6,939 ZR-1 Corvettes were built, and 6 years of production had passed, the program was terminated, falling victim to corporate decisions regarding pricing and the mirror-like restyling of base model Corvettes of the era. While the ZR-1 was somewhat unceremoniously pulled from production, these robust racers are still renowned today for their brutish power and exemplary engineering.
The ZR-1 became available to the public in 1990. Aside from its obvious differences under the hood, the ZR-1 featured several cosmetic variances over its base model counterpart. Some of the most notable included a convex tail, signature square taillights, and special ZR-1 badging below the right rear light. The ZR-1 also featured 11” wide rear tires fitted on 17” rims. In the realm of performance, the ZR-1 matched or exceeded the expectations of most. The LT5 engine at the heart of the ZR-1 relied upon 32 valves (4 per cylinder), four overhead camshafts, and an 11:1 compression ratio to churn out 375 bhp. The ZR-1 was capable of 4.3 second 0-60 MPH pulls, and could cover ¼ mile in a mere 13 seconds.
The ZR-1 received high-praise from critics and Corvette enthusiasts alike, and yet a mix of questionable corporate decisions and instances of less than ideal timing ultimately doomed the ZR-1.
MORE: THE CORVETTE ZR1 GUIDE / THE C4 HUB
The C4 Corvette ZR-1 Year by Year
Every model year of the C4 Corvette ZR-1: what changed, how many were built, what it cost and what it made. Each year has its section below and its own research page on the site.
MORE: THE C4 HUB / CORVETTE ZR1 GUIDE
| THE YEAR | BUILT | PRICE NEW | POWER | |
|---|---|---|---|---|
 |
1990 C4 Corvette ZR-1 The King of the Hill: Lotus’s 375-hp 32-valve LT5, built by Mercury Marine, ZF six-speed, FX3 Selective Ride, 11-inch rear wheels under a tail three inches wider, square taillights, the valet key; 175 mph; FIA 24-hour records at Fort Stockton; dealers asked $2 |
3,049 | $58,995 ($27,016 pkg) | 375 hp |
 |
1991 C4 Corvette ZR-1 Unchanged in substance, but the facelift gave every Corvette the convex tail, so only the wide quarters, roof stop lamp and badge set it apart; the package to $31,683; sales halved |
2,044 | $64,138 ($31,683 pkg) | 375 hp |
 |
1992 C4 Corvette ZR-1 The scarcest LT5 year: 502 cars, as the new 300-hp LT1 base coupe did nearly the same job for half the money; new fender badges, solar-control windshield; the millionth Corvette built the same summer |
502 | $65,318 | New 350 ci LT1 small-block |
 |
1993 C4 Corvette ZR-1 The power year: new heads, cams, four-bolt mains and platinum plugs take the LT5 to 405 hp and 385 lb-ft, 179 mph; 245 of the 448 in Ruby Red 40th Anniversary trim |
448 | $66,278 | 405 hp |
 |
1994 C4 Corvette ZR-1 The ZR-1 finally gets its own wheels, the five-spokes no other Corvette could have until 1996; otherwise the 1993 car; Chevrolet announces 1995 will be the last |
448 | $67,443 ($31,258 pkg) | 350 ci LT1 |
 |
1995 C4 Corvette ZR-1 The last of 6,939: the final Torch Red coupe built April 24, 1995 and driven to the National Corvette Museum; the most low-mileage survivors of any C4 |
448 | $68,043 | 405 hp |
C4 Corvette ZR-1s Built by Year
GM’s production counts for the C4 Corvette ZR-1 in each model year.
1990 Corvette ZR-1
RPO ZR1, $27,016 on a $31,979 coupe: the 375-hp LT5 all-aluminum 32-valve V-8 designed by Lotus and built by Mercury Marine, the ZF six-speed, FX3 Selective Ride Control, Z51 suspension, 13-inch brakes, a heavy-duty differential, 17 x 11-inch rear wheels on 315-section Goodyears under a tail three inches wider, with square taillights, a roof-mounted stop lamp and a valet key that locked out the engine’s secondary intake ports. 0–60 in under five seconds, 175 mph, and FIA 24-hour and 5,000-mile world records set at Fort Stockton in March 1990. 3,049 were built, the most of any year, and dealers charged $20,000 to $40,000 over sticker; in the 2025–26 auction season they sold for $15,250 to $53,500, mileage deciding.
MORE: THE 1990 RESEARCH PAGE
1990 C4 Corvette ZR-1: Specs and Numbers
The 1990 C4 Corvette ZR-1 by the numbers, from the 1990 research page and the Compared dataset.
| SPEC | 1990 |
|---|---|
| Engine, LT5 (RPO ZR1) | 5.7 L (349.8 ci) all-aluminum 90-degree V-8, 3.90 x 3.66 in, designed by Lotus, built by Mercury Marine, Stillwater, Oklahoma: Nikasil-lined aluminum wet liners, cast-aluminum Mahle pistons, forged steel crank and rods, 70-mm mains in a one-piece aluminum cradle (28 bolts), cross-drilled crank, two-piece crankcase, thermostatic oil cooler; four chain-driven camshafts, 32 valves (22-degree included |
| Power / torque | 375 hp / 370 lb-ft |
| 0–60 / quarter mile | 4.5 s / 13.1 @ 108 |
| Top speed | 175 mph |
| Weight | 3,465 lb |
| Built | 3,049 of 23,646 Corvettes |
| Price | $58,995 ($27,016 pkg) |
1990 C4 Corvette ZR-1: The Posts
Everything tagged to the 1990 C4 Corvette ZR-1, newest first.
1991 Corvette ZR-1
The second ZR-1: unchanged in substance, with the 375-hp LT5, the ZF six-speed, FX3, Z51 suspension, 13-inch brakes and the 11-inch rear wheels under three-inch-wider quarters, but now $31,683 over a $32,455 coupe ($64,138) and, after the facelift gave every Corvette its convex tail, distinguishable from a base car only by the quarters, the roof-mounted stop lamp and one badge. With the Viper announced and the 1990 frenzy over, sales fell to 2,044. It is the second-cheapest LT5 year today: $17,600 to $37,400 at auction in the 2025–26 season, mileage deciding.
MORE: THE 1991 RESEARCH PAGE
1991 Chevrolet Corvette coupe from Bring A Trailer1991 C4 Corvette ZR-1: Specs and Numbers
The 1991 C4 Corvette ZR-1 by the numbers, from the 1991 research page and the Compared dataset.
| SPEC | 1991 |
|---|---|
| Engine, LT5 (RPO ZR1) | 5.7 L all-aluminum DOHC 32-valve 90-degree V-8 by Lotus and Mercury Marine, 3.90 x 3.66 in, 11.25:1, sixteen-runner three-stage induction with valet lock-out; 375 hp @ 5,800 rpm, 370 lb-ft @ 4,800 rpm, 7,200-rpm fuel cut; new block casting 10153558 |
| Power / torque | 375 hp / 370 lb-ft |
| 0–60 / quarter mile | 4.5 s / 13.1 @ 108 |
| Top speed | 175 mph |
| Weight | 3,465 lb |
| Built | 2,044 of 20,639 Corvettes |
| Price | $64,138 ($31,683 pkg) |
1992 Corvette ZR-1
The third ZR-1 and the second-scarcest: unchanged at 375 hp with the LT5, the ZF six-speed, FX3, 13-inch brakes and 11-inch rear wheels under wider quarters, with new fender badges, a solar-control windshield and a price of $65,318. The new 300-hp LT1 in the standard car was half a second slower to 60 and twenty miles an hour slower flat out for half the money, and only 502 buyers chose the ZR-1. Today it is priced with the 375-hp 1990–91 cars rather than the 405-hp 1993–95s, mileage deciding: in the 2025–26 season 4,000-mile cars brought $40,500 and $78,500, a 79-mile car $66,000 and 40,000-mile cars $31,750–$33,000.
MORE: THE 1992 RESEARCH PAGE
The 1992 ZR-1 Corvette received additional badges on it's front fenders.1992 C4 Corvette ZR-1: Specs and Numbers
The 1992 C4 Corvette ZR-1 by the numbers, from the 1992 research page.
| SPEC | 1992 |
|---|---|
| Engine, LT5 (RPO ZR1) | 5.7 L all-aluminum DOHC 32-valve 90-degree V-8 by Lotus and Mercury Marine, 11.25:1, sixteen-runner three-stage induction with valet lock-out; 375 hp @ 5,800 rpm, 370 lb-ft @ 4,800 rpm; block casting 10153558; Mobil 1 factory fill |
| Built | 502 of 20,479 Corvettes |
| Price | $65,318 |
1992 C4 Corvette ZR-1: The Posts
Everything tagged to the 1992 C4 Corvette ZR-1, newest first.
1993 Corvette ZR-1
The year the ZR-1 got its power: revised cylinder heads and valvetrain, new camshafts, four-bolt main bearing caps, platinum plugs and a linear electric EGR valve took the LT5 from 375 to 405 hp and from 370 to 385 lb-ft, and Car and Driver recorded 179 mph. Otherwise the car was the 1992’s, at $66,278, and 448 were built, 245 of them in Ruby Red with the 40th Anniversary package. The 1993–95 405-hp cars command a premium over the 375-hp ZR-1s: in the 2025–26 season 1993 anniversary ZR-1s brought $44,000 and $85,000 at auction and were offered at $42,995 to $64,900.
MORE: THE 1993 RESEARCH PAGE
40th Anniversary Edition Corvette1993 C4 Corvette ZR-1: Specs and Numbers
The 1993 C4 Corvette ZR-1 by the numbers, from the 1993 research page and the Compared dataset.
| SPEC | 1993 |
|---|---|
| Engine, LT5 (RPO ZR1) | 5.7 L all-aluminum DOHC 32-valve V-8 by Lotus and Mercury Marine, 11.25:1, sixteen-runner induction with valet lock-out; 1993 upgrade: revised head ports and valvetrain, new camshafts, four-bolt main bearing caps, platinum-tipped plugs, linear electric EGR, Mobil 1 required; 405 hp @ 5,800 rpm, 385 lb-ft @ 5,200 rpm (up from 375/370) |
| Power / torque | 405 hp / 385 lb-ft |
| 0–60 / quarter mile | 4.4 s / 12.9 @ 111 |
| Top speed | 179 mph |
| Weight | 3,465 lb |
| Built | 448 of 21,590 Corvettes |
| Price | $66,278 |
1993 C4 Corvette ZR-1: The Posts
Everything tagged to the 1993 C4 Corvette ZR-1, newest first.
1994 Corvette ZR-1
The second of the three 405-hp years, and the year the ZR-1 got its own look at last: non-directional five-spoke wheels, 17 x 9.5 front and 17 x 11 rear, that no other Corvette could have until 1996. Otherwise the car was the 1993’s, with the Lotus-designed LT5’s 405 hp and 385 lb-ft, the ZF six-speed, FX3, the 13-inch brakes and the 3-inch-wider tail, at $67,443 after the package price fell to $31,258. Chevrolet announced during the year that 1995 would be the last; 448 were built, as in 1993 and 1995.
In 2026 the 1994 ZR-1s sold for $43,000 to $53,000 at auction, a step above the 375-hp 1990–92 cars.
MORE: THE 1994 RESEARCH PAGE
1994 C4 Corvette ZR-1: Specs and Numbers
The 1994 C4 Corvette ZR-1 by the numbers, from the 1994 research page.
| SPEC | 1994 |
|---|---|
| Engine, LT5 (RPO ZR1) | 5.7 L all-aluminum DOHC 32-valve V-8 by Lotus and Mercury Marine, 3.90 x 3.66 in, 11.0:1, four-bolt mains, sixteen-runner induction with valet lock-out, Mobil 1 required; 405 hp @ 5,800 rpm, 385 lb-ft @ 5,200 rpm; block 10199001, heads 10174389/10174390; engine code ZWC; 7,100 rpm limit |
| Built | 448 of 23,330 Corvettes |
| Price | $67,443 ($31,258 pkg) |
1995 Corvette ZR-1
The last of 6,939. The 1995 ZR-1 was the 1994 car, 405 hp from the Lotus-designed, Mercury Marine-built LT5, the ZF six-speed, FX3, the 13-inch brakes, the five-spoke wheels and the 3-inch-wider tail, at $68,043; 448 were built and the final one, a Torch Red coupe, was assembled on April 24, 1995 and driven across the road to the National Corvette Museum by Jim Perkins four days later. Perkins blamed the LT1 coupe’s 300 hp and the cost of certifying the LT5 for 1996 emissions.
Because so many 1995s were bought as the last of the line and stored, it has the most sub-1,000-mile survivors of any C4: a 226-mile car brought $69,553 on Bring a Trailer in November 2025, and a 900-mile car $44,500 in 2020.
MORE: THE 1995 RESEARCH PAGE
1995 C4 Corvette ZR-1: Specs and Numbers
The 1995 C4 Corvette ZR-1 by the numbers, from the 1995 research page and the Compared dataset.
| SPEC | 1995 |
|---|---|
| Engine, LT5 (RPO ZR1), final year | 5.7 L all-aluminum DOHC 32-valve V-8 by Lotus and Mercury Marine, 3.90 x 3.66 in, 11.0:1, four-bolt mains, sixteen-runner induction with valet lock-out, Mobil 1 required; 405 hp @ 5,800 rpm, 385 lb-ft @ 5,200 rpm; block 10199001, heads 10225121/10225122; engine code ZUD; 7,100 rpm limit |
| Power / torque | 405 hp / 385 lb-ft |
| 0–60 / quarter mile | 4.4 s / 12.9 @ 111 |
| Top speed | 179 mph |
| Weight | 3,465 lb |
| Built | 448 of 20,742 Corvettes |
| Price | $68,043 |
C4 Corvette ZR-1 Specs by Year
The figures for every year with a row in the site’s Compared dataset: GM’s where published, otherwise the period road tests.
MORE: CORVETTES COMPARED / THE ENGINES
| YEAR | ENGINE | POWER | TORQUE | 0–60 | ¼ MILE | TOP SPEED | WEIGHT | PRICE |
|---|---|---|---|---|---|---|---|---|
| 1990 | 5.7 L LT5 DOHC 32-valve (Lotus), 375 hp | 375 hp | 370 lb-ft | 4.5 s | 13.1 @ 108 | 175 mph | 3,465 | $58,995 |
| 1991 | LT5, 375 hp | 375 hp | 370 lb-ft | 4.5 s | 13.1 @ 108 | 175 mph | 3,465 | $64,138 |
| 1993 | LT5, 405 hp | 405 hp | 385 lb-ft | 4.4 s | 12.9 @ 111 | 179 mph | 3,465 | $66,278 |
| 1995 | LT5, 405 hp; the last ZR-1 | 405 hp | 385 lb-ft | 4.4 s | 12.9 @ 111 | 179 mph | 3,465 | $68,043 |
The C4 Corvette ZR-1 Against Its Siblings
Where the C4 Corvette ZR-1 sat in the C4 range: the other performance models of the generation, their figures and the gap between them.
MORE: C4 CORVETTE GRAND SPORT
| GENERATION | Z06 | ZR1 | THE GAP |
|---|---|---|---|
| C4 Corvette | — | 1990–95 ZR-1: 375–405-hp Lotus LT5, 6,939 built | No Z06 in the C4; the ZR-1 stood alone at twice the price of a coupe |
Every C4 Corvette ZR-1: Editions, Pace Cars, Prototypes and Racers
The C4 Corvette ZR-1 and the cars built from it that the site has guides for, with a picture each.
| THE CAR | YEARS | BUILT | |
|---|---|---|---|
 |
ZR-1 Active Suspension The Bowling Green-built prototype with GTP-derived active suspension (Eaton pump, Moog actuators) for a limited run that never came; it led to Active Handling in 1996 The guide / Year page |
1990 | prototype |
 |
C4 Corvette ZR-1 The King of the Hill: Lotus’s 32-valve 5.7-liter LT5 built by Mercury Marine, 375 then 405 hp, ZF six-speed, FX3 Selective Ride, the wide tail; 175–179 mph and the FIA 24-hour records The guide / Year page |
1990–95 | 6,939 |
 |
ZR-1 Spyder ASC’s styling prototype for Don Runkle: a chopped windshield and seats on the floorpan to see how far a ZR-1 convertible could go; the black car is in the National Corvette Museum The guide / Year page |
1991 | prototype |
 |
ZR-12 ‘Conan’ (Falconer V-12) Ryan Falconer’s 600-cubic-inch, 683-hp aluminum V-12 racing engine in a ZR-1 stretched eight inches at the nose, to one-up the Viper with four more cylinders The guide / Year page |
1992 | one-off |
 |
40th Anniversary ZR-1 Ruby Red over Ruby Red on 245 of the year’s 448 ZR-1s, the first 405-hp year, the most valuable anniversary Corvette The guide / The anniversary cars / Year page |
1993 | 245 |
 |
GT1 C4 ZR1 (Doug Rippie ‘Black Widow’) Rippie’s Le Mans program with MerCruiser and Lotus, with Chevrolet’s blessing: street and race versions of the LT5 at 525 hp The guide / The race cars / Year page |
1995 | race program |
The C4 Corvette ZR-1 at the Races
The C4 racing highlights that involve the C4 Corvette ZR-1 or its engine, from the C4 hub.
MORE: EVERY CORVETTE RACE CAR / THE C4 HUB
| YEAR | CAR | EVENT | RESULT |
|---|---|---|---|
| 1990 | ZR-1 and L98 coupe, Morrison / Heinricy / Hayner / Baker and others | Fort Stockton, Texas, March 1–2 | 24-hour world record 175.885 mph; 5,000 miles at 173.791 mph |
| 1995 | Corvette Team USA ZR-1 (Doug Rippie, DRZ-500 LT5) | 24 Hours of Le Mans, GT1 | Retired early; the only C4 ZR-1 to race at Le Mans |
C4 Corvette ZR-1: The Guides and Features
Everything tagged C4 Corvette ZR-1, newest first.
C4 Corvette ZR-1 News and Posts by Year
Everything tagged to the C4 Corvette ZR-1’s model years, newest first.
The C4 Corvette ZR-1 Buyer’s Guide
The C4 ZR-1 is a specialist’s car: a Lotus-designed, Mercury Marine-built 32-valve LT5, a ZF six-speed and a wide-body C4 with its own VIN series, 6,939 built in six years. Prices run from used-car money for a driven 1991–92 to serious money for a delivery-mileage 1990 or a 1995, and the gap is all about mileage and the engine’s history.
Buy the engine: an LT5 that has been serviced by someone who knows it (injectors, the secondary-port actuator, the timing-chain tensioners, the plenum-off plug change) is worth more than any color or year. The 1990 is the collector’s first-year car, the 1993–95 cars have the 405-hp engine and the fewest built, and 1991–92 are the value.
Which C4 Corvette ZR-1 to Buy
Every model year of the C4 Corvette ZR-1 with the verdict a buyer needs: what the year brought, which are collected and which are the value.
| YEAR | BUILT | NEW | POWER | THE VERDICT |
|---|---|---|---|---|
| 1990 | 3,049 | $58,995 ($27,016 pkg) | 375 hp | First year, 3,049 built, the collector car; the 1990-only interior and the most low-mileage survivors. |
| 1991 | 2,044 | $64,138 ($31,683 pkg) | 375 hp | The facelift year and the value: 2,044 built, the cheapest LT5s. |
| 1992 | 502 | $65,318 | 375 hp | The rarest-looking bargain: 502 built, the second-fewest. |
| 1993 | 448 | $66,278 | 405 hp | 405 hp and the 40th Anniversary package (Ruby Red); the performance year. |
| 1994 | 448 | $67,443 ($31,258 pkg) | 405 hp | Passenger airbag and the new interior; 448 built. |
| 1995 | 448 | $68,043 | 405 hp | The last year, 448 built, the collectible late car. |
What a C4 Corvette ZR-1 Costs Today
Auction and dealer results the site has tracked, by year; check whether a result includes the buyer’s premium, and treat asking prices and unsold high bids separately from completed sales.
The ZR-1 is the collectible: 3,049 built, the most of any LT5 year, with the 1990-only interior details and the first-year cachet, and because so many were bought as investments there are still unused and sub-5,000-mile cars, which set the top of the range; honest 20,000–40,000-mile drivers sit in the middle, and high-mileage or modified cars at the bottom, where a ZR-1 can cost less than a clean L98 of the same year. Classic.com’s benchmark for the C4 ZR-1 as a whole stood at $37,240 in October 2026. The ZR-1’s arrival ended their price advantage then and keeps them behind the ZR-1 now.
MORE: THE C4 BUYER’S GUIDE / MSRP BY YEAR
| YEAR | BUILT | NEW | SOLD AT AUCTION |
|---|---|---|---|
| 1990 | 3,049 | $58,995 ($27,016 pkg) | $15,250 to $53,500 in the 2025–26 auction season, mileage deciding |
| 1991 | 2,044 | $64,138 ($31,683 pkg) | $17,600 to $37,400 in the 2025–26 season, the second-cheapest LT5 year |
| 1992 | 502 | $65,318 | 40,000-mile cars $31,750–33,000; 4,000-mile cars $40,500 and $78,500; a 79-mile car $66,000 (2025–26 season) |
| 1993 | 448 | $66,278 | 40th Anniversary ZR-1s $44,000 and $85,000 at auction, offered at $42,995–64,900 (2025–26 season) |
| 1994 | 448 | $67,443 ($31,258 pkg) | $43,000 to $53,000 in 2026, a step above the 375-hp cars |
| 1995 | 448 | $68,043 | A 226-mile car $69,553 on Bring a Trailer in November 2025; a 900-mile car $44,500 in 2020 |
How to Verify a C4 Corvette ZR-1
The VIN positions, the labels, the stampings and the parts that prove a C4 Corvette ZR-1 is what it claims to be, from the year pages, year by year; where a later year repeats an earlier one, only what is new is added.
1990: A ZR-1 verifies itself: Z in the fifth VIN position, J in the eighth, a sequence number from 800001, the wide rear body with square taillights and the stop lamp in the roof, 11-inch rear wheels, the valet key on the console and the LT5 with its Mercury Marine plate and matching partial VIN.
1991: Verification: on an L98 car the sixth VIN character is 2 for a coupe and 3 for a convertible, the sequence runs to 118595, the trim tag should carry a 1990 or 1991 build date and a matching paint code, and the engine should be a 14093638 block with 10088113 heads, the speed-density intake and the partial VIN on the pad. A ZR-1 needs the Z and J in the VIN, the 800001-series sequence, the wide quarters and roof lamp, and the LT5’s Mercury Marine plate and service history.
1992: Verification: on an LT1 car the eighth VIN character is a P, the sixth 2 for a coupe or 3 for a convertible, the sequence runs to 119977, and under the hood the Optispark distributor sits behind the water pump with the serpentine belt in front of it.
1993: Verification of a 40th Anniversary car: Z25 on the build sheet or window sticker, paint code 68 and trim 793 on the door-pillar tag, Ruby Red leather sport seats with the embroidered “40th” headrests, the Ruby Red wheel-center emblems and the hood, fuel-door and fender badges.
1994: Verification: every 1994 should have the seventh-position 2 in the VIN and both airbags, the two-spoke wheel, the console-mounted seat switches, leather seats and, on convertibles, the glass rear window with defogger.
1995: Verification of a Pace Car Replica: Z4Z on the build sheet or window sticker, paint 05/10 and trim 194 on the door-pillar tag, Dark Purple over Arctic White with the factory red stripe and flag graphics and the Indianapolis 500 door decals (reproduced, so check for original adhesion and paint beneath), the white top, the black-and-purple seats with embroidered headrests, the five-spoke wheels and the automatic.
MORE: THE 1990 RESEARCH PAGE
The C4 Corvette ZR-1 Inspection List
What to check on a C4 Corvette ZR-1 before the money changes hands, from the year pages, with each year adding what is new.
1990: The LT5 is strong but specialized: the sixteen Multec injectors clog when the car sits (eight secondaries especially, since they rarely fire), the secondary-port vacuum actuator and the valet solenoid stick, the coolant plumbing and the oil cooler lines leak, the timing-chain tensioners and starter are buried under the plenum, and the plenum must come off for plugs and injectors, which is why ZR-1 service bills are a multiple of an L98’s and why a specialist matters.
1991: The inspection list is the 1990 car’s. The LT5 needs a specialist: sixteen injectors, the secondary-port actuator, the valet solenoid, the timing-chain tensioners, the coolant plumbing and a plenum-off job for plugs. On both, the 1990–91 dash is better than the 1984–89 cluster but its digital speedometer fails, VATS keys and decoders wear, ABS pumps and sensors are expensive, FX3 shocks fail electrically and are often replaced with conventional Bilsteins (which hurts a Z07 or ZR-1), the ZF’s CAGS solenoid and shifter bushings wear, headlight motors strip their gears, the power antenna snaps, the new body-color side moldings fade, and the uniframe rusts under the battery tray and at the rear kick-ups.
1992: The LT5 needs its specialist as before.
1993: The inspection list is the 1992 car’s plus the new electronics.
1995: The LT5 needs its specialist and, on a stored low-mileage car, fresh seals and injectors.
MORE: THE C4 BUYER’S GUIDE
What Goes Wrong: The C4 Corvette ZR-1’s Known Issues
The faults a C4 Corvette ZR-1 is known for, the years they affect, what they look like and what the fix is. None of them should stop a purchase; all of them should be on the checklist, and a car with the paperwork for them is the one to buy.
| ISSUE | YEARS | WHAT HAPPENS | THE FIX |
|---|---|---|---|
| Fuel injectors | 1990–95 | The sixteen Multec injectors clog when the car sits, the secondaries first because they rarely fire; the car runs rough and will not make power. | Cleaning or replacement; a rebuilt set is a known cost. |
| Secondary-port actuator and valet solenoid | 1990–95 | The vacuum actuator that opens the secondary ports sticks, and the valet key solenoid fails, leaving the car in half-power mode. | Check the full-power key gives the full engine; the parts are available. |
| Timing-chain tensioners | 1990–95 | The original tensioners wear and the chains rattle on start-up. | A known job; ask whether it has been done. |
| Coolant and oil-cooler plumbing | 1990–95 | The rubber lines age and weep. | Look for staining under the car and around the oil cooler. |
| Starter and plug change | 1990–95 | Plugs are a plenum-off job; the starter lives under the intake. | Budget labor; ask when the plugs were last done. |
| Head gaskets and the engine itself | 1990–95 | LT5 blocks and heads are no longer made; a damaged engine is a search for a donor. | Buy a healthy, documented engine over everything else. |
| C4 general | 1990–95 | Weatherstrips, the FX3 ride-control actuators, the digital dash (1990–91), Bose amplifiers, the power antenna and the roof-panel weatherseals. | The site’s C4 buyer’s guide has the list. |
The C4 Corvette ZR-1 Options and Editions That Matter
What moves the price of a C4 Corvette ZR-1 beyond mileage and condition: the packages, the equipment groups and the special editions, and what each does to the value.
MORE: THE SPECIAL EDITIONS / MSRP BY YEAR
| OPTION OR EDITION | WHY IT MATTERS | WHAT IT DOES TO THE PRICE |
|---|---|---|
| ZR-1 package | Every ZR-1 has the LT5, the ZF six-speed, the wide body and FX3; there was no option list to speak of beyond color and trim. | The spec is the same; mileage and history set the price. |
| 1990 interior | The 1990-only dash and the first-year details. | The collector’s preference. |
| 405-hp engine (1993–95) | The revised LT5 with the ported heads and the new cam. | A premium among drivers. |
| 40th Anniversary package (1993) | Ruby Red with the embroidered seats and badges; 245 ZR-1s. | A premium with the documentation. |
| Color | Black, Bright Red and White dominate; the 1990 Steel Blue and the 1995 Dark Purple are the rare ones. | The unusual colors carry a little. |
| Delivery mileage | The ZR-1 was bought as an investment from day one; sub-5,000-mile cars are common. | The price driver by far. |
What a C4 Corvette ZR-1 Costs to Own
The ZR-1 is the one Corvette that needs a specialist, and the bills are specialist bills: injectors, tensioners, the plenum-off service and anything inside the LT5 cost several times what the same job costs on an L98 or LT1. The rest of the car is a C4 and cheap. Find the LT5 shops before you buy (the owners’ registry and the site’s ZR-1 posts name them) and budget for a baseline service on any car without recent history.
Insure on an agreed value as a classic; most ZR-1s qualify for limited-use policies, and most are driven little.
MORE: THE C4 BUYER’S GUIDE
The Site’s Market Reports on the C4 Corvette ZR-1
What CorvSport has written about buying, selling and valuing the C4 Corvette ZR-1: the market reports, the bargain hunting, the auction results and the cars it has listed, newest first.
Garage Queens: Two Sweet C4 Corvette ZR-1s And Rare C7.R Z06 Total Less Than 600 Miles — 2024
Lowest Mileage Example Of Revolutionary C4 ZR-1 Up For Bidding On Bring a Trailer — 2023
FOR SALE: 1991 Chevrolet Corvette Coupe Callaway SuperNatural 490 CR-1 — 2026
FOR SALE: Why Is This 30 Mile 1990 ZR-1 Still On The Market? — 2023
FOR SALE: Single-Family-Owned 1990 Chevrolet Corvette ZR-1 Up For Grabs — 2022
FOR SALE: Gorgeous 1990 Chevrolet Corvette ZR-1 For Sale — 2022
FOR SALE: 1993 Corvette ZR-1 — 2020
FOR SALE: 1992 Corvette ZR-1 — 2020
C4 Corvette ZR-1: Recalls, Service Bulletins and Maintenance
The site’s recall, service-bulletin and maintenance-schedule posts for the C4 Corvette ZR-1’s model years and the C4 generation.
C4 Corvette ZR-1s For Sale
The C4s the site has listed for sale, newest first; the C4 Corvette ZR-1s are among them. The for-sale page has every Corvette the site is following and the auctions page the results.
Go Deeper
The pages around this one.
Corvette ZR1: the ultimate guide — every generation
The C4 Corvette hub — the generation, 1984–96
Corvettes Compared — every year’s figures
FAQs
What years was the C4 Corvette ZR-1 made?
1990–1995, 6 model years. The King of the Hill: the Lotus-designed, Mercury Marine-built DOHC LT5, 375 then 405 horsepower, a wide rear body, a ZF six-speed, 175 mph and a price nearly twice the coupe’s.
How many C4 Corvette ZR-1s were built?
6,939 by GM’s counts: 1990 3,049, 1991 2,044, 1992 502, 1993 448, 1994 448, 1995 448.
How much horsepower does the C4 Corvette ZR-1 have?
LT5 5.7-liter all-aluminum DOHC 32-valve V8, 375 hp (1990–92) / 405 hp (1993–95). 375 to 405 horsepower across the years
How fast is the C4 Corvette ZR-1?
1990: 0–60 in 4.5 s, 175 mph · 1991: 0–60 in 4.5 s, 175 mph · 1993: 0–60 in 4.4 s, 179 mph · 1995: 0–60 in 4.4 s, 179 mph (GM’s figures or the period tests; the Compared page has them all).
How much did the C4 Corvette ZR-1 cost new?
1990: $58,995 ($27,016 pkg) · 1991: $64,138 ($31,683 pkg) · 1992: $65,318 · 1993: $66,278 · 1994: $67,443 ($31,258 pkg) · 1995: $68,043. The MSRP by Year page has every year in today’s dollars.
What is a C4 Corvette ZR-1 worth today?
See What to Pay in the buyer’s guide above: the site’s tracked auction and dealer results by year. The figures move, and the for-sale feed shows asking prices now.
Who built the ZR-1’s engine?
Lotus designed the LT5 after GM bought the company in 1986, and Mercury Marine in Stillwater, Oklahoma, assembled every one, because no GM plant could build a DOHC V8 in the numbers involved. 6,939 engines went into ZR-1s.
What records did the ZR-1 set?
In March 1990 a ZR-1 ran 24 hours at Fort Stockton, Texas, at an average 175.885 mph, with 5,000-km and 5,000-mile records along the way; Tommy Morrison’s team used the production car with little more than a roll cage.
How do you tell a ZR-1 from a C4 with the wide body?
By the VIN (the LT5 is engine code J), the convex rear fascia with square tail lamps and the 11-inch rear wheels; from 1991 the base car got the ZR-1’s tail, so the engine, the VIN and the wider rear track are the tells.
Which C4 ZR-1 year is best?
A 1993–95 for the 405-hp engine and the rarity, a 1990 for the first-year collectibility, a 1991–92 for the price. The engine’s service history matters more than the year.
What goes wrong with the LT5?
Clogged injectors, the secondary-port actuator and valet solenoid, the timing-chain tensioners, leaking coolant and oil-cooler lines and a plenum-off plug change. The engine is strong when it is looked after; the problem is finding someone to look after it.
Is the C4 ZR-1 a good investment?
The low-mileage cars have been: the 1990 and 1995 cars and the 40th Anniversary cars lead, and the site has tracked seven-figure totals for collections. Driven cars have stayed affordable, which makes them the usable classic.
