Blue 1990 Corvette C4 ZR-1

CORVETTE GENERATIONS

The C4 Corvette (1984–1996)

The first all-new Corvette in twenty-one years: thirteen model years, 1984 to 1996, and 358,180 cars. Dave McLellan’s uniframe chassis and Jerry Palmer’s wind-tunnel body, the digital dash, the 4+3, the return of the convertible, Tuned-Port Injection, the Callaway twin-turbos, the Lotus-designed ZR-1 “King of the Hill,” the 300-horsepower LT1 and the Grand Sport that closed the run. This is the hub for all thirteen years.

The 1973 Aerovette Prototype
David R. McLellan, Corvette Chief Engineer of the C4 Corvette.
Exposed View Of The Conceptual C4 Corvette.
Interior of the 1984 C4 Corvette.Interior of the 1984 C4 Corvette. Credit: Wikimedia Commons
Example of the "Unidirectional Wheel" Developed for the C4 Corvette.Example of the "Unidirectional Wheel" Developed for the C4 Corvette.

There is exactly one 1983 Corvette. Chevrolet built 43 pilot and prototype cars for the model year it then skipped, and ordered them all crushed; one, white, was hidden behind a fence at the Bowling Green plant by employees and survived. It was restored in 1992 and has sat in the National Corvette Museum since the museum opened in 1994, the only Corvette of its year.

DID YOU KNOW

C4 Corvette Model Year Research Hubs (1984–1996)

One page per model year with everything we have on it: the story, specifications, every option and its price, the color chart, VIN ranges, production numbers, pictures, videos, cars for sale and the questions people ask. Start with the year you own or want.

C4 Corvette Special Models, Race Cars & Concepts

The rare ones and the never-weres: the ZR-1 and its Spyder, Snake Skinner and active-suspension prototypes, the Callaway B2K, Speedster, SuperNatural and Sledgehammer, the 35th and 40th Anniversary cars, the 1986 and 1995 Pace Cars, the Grand Sport and Collector Edition, the Guldstrand GS80 and GS90, the Greenwood G4R, the Corvette GTP, Challenge and Trans-Am race cars, and the concepts from the Bertone Ramarro and the Corvette Indy to CERV III, CERV IV and the Stingray III. The ZR-1, Callaway, Grand Sport, race cars and concepts have their own sections below.

Drawn in GM's Los Angeles studio while the Corvette fought cancellation, the Stingray III previewed the C5's taillights and decklid but would have cost $300,000 per car.
Only three drivable examples are believed to survive of the 25 active-suspension ZR-1s GM built with Lotus, the cars that led to Active Handling in 1996 and Magnetic Ride Control in 2003.
Doug Rippie dreamed of Le Mans, so he built a ZR-1 with a 525 hp Black Widow LT5 and took on McLaren F1s and Ferrari F40s as Corvette Team USA. Both outings ended in DNFs.
When the Viper arrived, a group inside Chevrolet built Conan: a ZR-1 stretched 8.8 inches to swallow Ryan Falconer's 683 hp V12. It melted its tires on the first quarter-mile run.
1993 Corvette C4 40th Anniversary ZR-1 parked on street
Ruby Red over Ruby Red, RPO Z25 on a 405 hp ZR-1 and just 250 built. This guide traces the ZR1 badge from a forgotten C2 option code to its 1993 anniversary peak.
A 766 hp twin-turbo LT5, a Le Mans GT2-derived body by Paul Deutschman and Candy Wine Red paint: the Super Speedster LM is the most powerful of the twelve Callaway Speedsters ever built.
Available for one week and only to race teams, the 23 R9G Corvettes of 1990 carried FX3 adjustable suspension and base 5.7-liter engines, leaving owners to do their own race prep.
Admiral Blue, one white stripe, two red hashes and a 330 hp LT4 behind an 8,000 rpm tach: Chevrolet built exactly 1,000 Grand Sports for 1996, each with its own serial number.
Built to skin the coming Viper, the Snake Skinner shed 250 pounds with magnesium, Kevlar and Lexan, then gained a 475 hp MerCruiser LT5. Specs, the Milford 185 mph run and its 2009 auction are all here.
Year two of the Corvette Challenge shrank to 29 cars, each ordered under option code R7F and converted by Powell strictly for racing. Here is what separated them from a showroom 1989 C4.
1988 Corvette Challenge Car Series
John Powell's one-make series put 56 factory-sealed, equally matched C4s on track. The B9P option code makes a real Challenge car easy to verify, and this guide lists exactly how each was equipped.
Sebring Silver paint, five-spoke wheels and an optional 330 hp LT4 with a ZF six-speed made the 5,412-unit Collector Edition a fitting farewell to the C4 Corvette.
Twin turbos, 650 horsepower, scissor doors and a $300,000-plus build cost: the CERV III was GM's last serious try at a mid-engine Corvette before the C5, and its roofline lived on in that car.
1984 PPG Indy Pace Car
Built by PPG with Chevrolet to lead the Indy Car World Series, this one-off C4 swapped its Cross-Fire 350 for a 450 hp Katech V8. It now sits crushed and unrestored at the National Corvette Museum.
Born from Reeves Callaway's Le Mans ambitions, the LM put carbon fiber race bodywork on a C4 with a 435 hp SuperNatural 383, running 0-60 in 4.1 seconds and the quarter in 12.5.
1993 ZR-1 COrvette
Lotus engineered the LT5, Mercury Marine built it, and 6,939 ZR-1s left Bowling Green before a $72,000 price and a look-alike base car killed the King of the Hill. The full C4 ZR-1 story.
When the LT1 arrived in 1992, Callaway swapped boost for displacement. The SuperNatural line grew from 400 to 450 hp on LT1 cars and 490 hp on ZR-1s, plus three twin-turbo LT5 specials.
GM wanted to know whether a topless ZR-1 could work, so ASC built one for Advanced Engineering chief Don Runkle. The answer was no, and the DR-1 remains a one-off.
Stung by the 1978 pace car backlash, Chevrolet made every reintroduced 1986 convertible a pace car replica with nothing more than a decal kit. Colors, VIN ranges and graphics options are all here.
Chuck Jordan saw the mid-engine Indy as a rolling showcase for satellite navigation, CRT gauges, Lotus active suspension and carbon construction. Its Lotus-tuned V8 program fed directly into the 1990 ZR-1.
Dick Guldstrand asked GM for fifteen ZR-1s and a few million dollars. He got one car and a blessing, and built the $206,208 GS90, the most elaborate specialty Corvette ever made.
Bertone took a C4 chassis, moved the radiator to the back, fitted sliding doors and a lizard-skin interior, then unveiled the Ramarro in Los Angeles before the 1984 Olympics. Here is what the green lizard was all about.
Aimed at autocross and Pro-Solo drivers, the GS80 turned Guldstrand from tuner into small-volume manufacturer. The guide breaks down the suspension package, the three TRACO engine stages and the removable roll bar.
Dark Purple over Arctic White, embroidered headrests and ZR-1-style wheels: just 527 Z4Z replicas were built, and most dealers got exactly one. Here's what they cost then and now.
White body, white wheels, white leather and a black roof halo made the 35th Anniversary coupe pure 1988. Unveiled at the New York Auto Show, it sold out fast and still trades above other C4s.
Built in secret for $1.2 million so GM management could not cancel it, CERV IV was a C4 shell hiding the next-generation V8 and interior that became the 1997 C5 Corvette.
An engineless C4 shipped to Hawtal-Whiting to package the LT5 should have been crushed. Instead it ended up on an Essex farm, was sold, regretted for 14 years and finally reclaimed, prototype stickers intact.
Fixed seats, a moving steering wheel and pedals, four-wheel steering and a pop-up rollover bar: the black cherry Sting Ray III was a 1960s-flavored vision of the Corvette that cost too much to build.
Driven 700 miles to Ohio, run to 254.76 mph, then driven home in the rain with the air conditioning on. The Sledgehammer held the street-legal top speed record for 20 years, and this is how it was built.
Fifty were planned and twelve were built. The Speedster was Callaway's send-off for the Twin Turbo program, a permanently topless carbon-bodied C4 with 450 hp, and the original 1991 press release is included.
GM never sold a ZR-1 convertible, but this ASC-built Spyder prototype came close, with a chopped windshield, aero bars and a signed hood the National Corvette Museum is still trying to find.
Three C4 Corvettes got 454 big-blocks at GM's Arizona proving grounds, and the orange 1989 roadster nicknamed Big Doggie was the last. Here's how the ZR-2 offered ZR-1 pace at half the price and still died.
A year after the C4 launched, Corvette engineers were already sketching its mid-engine replacement. The silver 1985 Indy pushmobile tested public appetite and previewed the turbine wheels of later C4s.
The CR1 was Callaway's SuperNatural take on the ZR-1, stroking the LT5 to 475 or 490 bhp and offering the Aerobody, German upholstery, special wheels and exhausts on top.
GM bought a Callaway twin-turbo Alfa, watched it embarrass a Corvette and handed Reeves Callaway an RPO code. Power, pricing and production of the B2K cars from 1987 to 1991 are covered year by year.
Built by Bob Riley and Gary Pratt to beat the Roush Fords, the Protofab Corvette never dominated but launched two of racing's great chassis houses. Car histories, specs and drivers are traced here.
Named for Tazio Nuvolari and built around the ZR-1's LT5, Bertone's Nivola reimagined the Corvette as a mid-engine European coupe with a lift-off roof and seats bolted straight to the floor.
A Corvette in name only, the GTP paired a Lola T710 chassis with a turbocharged Chevy V6 that eventually topped 1,100 hp. Seven were built, and the first still survives in England.
Racer John Greenwood's G4R turned the C4 into a serial-numbered aero special with a front wing that force-feeds the radiator, louvered hood and a rear wing proven in the Bridgestone Supercar Series.

The 1990–1995 Corvette ZR-1

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.

MORE: THE ZR-1 GUIDE / THE RECORD RUN / ALL ZR-1 POSTS

The Callaway Corvettes: B2K Twin Turbo, Speedster, SuperNatural & Sledgehammer

The only tuner you could order from a Chevrolet dealer: RPO B2K sent new Corvettes from Bowling Green to Reeves Callaway in Old Lyme, Connecticut, and returned them with two turbochargers, 345 horsepower in 1987 and up to 403 by 1991, for $19,995 to $33,000 over sticker, under the factory warranty. Chevrolet counted 507 of them across 1987–91. Callaway then built the Speedster, the SuperNatural 383 and 435-horsepower cars of 1992–96 and the Le Mans Corvettes of 1994–95, and the Sledgehammer, an 880-horsepower B2K that ran 254.76 mph at the Transportation Research Center in October 1988 and was driven back to Connecticut on the road. Documented B2Ks sold for $34,100 to $50,500 in 2025–26, with the best cars asking six figures.

MORE: THE B2K GUIDE / THE SLEDGEHAMMER / ALL CALLAWAY POSTS

The 1996 Grand Sport & Collector Edition

The C4’s farewell, built for one year only. The Grand Sport (RPO Z16) put the 330-horsepower LT4 and the six-speed in 1,000 Admiral Blue cars with a white stripe, two red hash marks on the left fender, black 17-inch ZR-1-size wheels, flared rear arches on the 810 coupes and a VIN series of their own, in homage to Duntov’s five 1963 Grand Sports; the 190 convertibles got narrower tires and no flares. The Collector Edition (RPO Z15) was the volume special: 5,412 Sebring Silver cars, 4,031 coupes and 1,381 convertibles, with silver five-spoke wheels, black-trimmed emblems and embroidered seats, with either engine. Grand Sports sold for $32,500 to $50,000 at auction in 2026 and are the most collectible C4 after the ZR-1; Collector Editions trade close to a standard 1996.

MORE: THE GRAND SPORT GUIDE / THE COLLECTOR EDITION GUIDE / ALL 1996 GRAND SPORT POSTS

Admiral Blue, one white stripe, two red hashes and a 330 hp LT4 behind an 8,000 rpm tach: Chevrolet built exactly 1,000 Grand Sports for 1996, each with its own serial number.

The C4 Corvette Race Cars

The C4 raced in more forms than any Corvette before it. The Lola-built, turbo-V6 Corvette GTP prototypes carried the name in IMSA from 1984 to 1989 and won twice in 1986; the Protofab tube-frame Corvettes ran Trans-Am and IMSA GTO in 1987–88 and won the GTO class at Sebring; showroom-stock C4s won every SCCA Showroom Stock GT race from 1985 to 1987 until the series threw them out, which produced the one-make Corvette Challenge of 1988–89, 56 and then 60 factory-sealed cars; Doug Rippie’s ZR-1s and the Callaway SuperNatural LMs went to Le Mans in 1994 and 1995, where a Callaway finished ninth overall and second in GT2.

MORE: THE CORVETTE GTP / THE CORVETTE CHALLENGE / ALL RACE CARS POSTS

Doug Rippie dreamed of Le Mans, so he built a ZR-1 with a 525 hp Black Widow LT5 and took on McLaren F1s and Ferrari F40s as Corvette Team USA. Both outings ended in DNFs.
Available for one week and only to race teams, the 23 R9G Corvettes of 1990 carried FX3 adjustable suspension and base 5.7-liter engines, leaving owners to do their own race prep.
Year two of the Corvette Challenge shrank to 29 cars, each ordered under option code R7F and converted by Powell strictly for racing. Here is what separated them from a showroom 1989 C4.
1988 Corvette Challenge Car Series
John Powell's one-make series put 56 factory-sealed, equally matched C4s on track. The B9P option code makes a real Challenge car easy to verify, and this guide lists exactly how each was equipped.
Built by Bob Riley and Gary Pratt to beat the Roush Fords, the Protofab Corvette never dominated but launched two of racing's great chassis houses. Car histories, specs and drivers are traced here.
A Corvette in name only, the GTP paired a Lola T710 chassis with a turbocharged Chevy V6 that eventually topped 1,100 hp. Seven were built, and the first still survives in England.

The C4-Era Concepts & Prototypes

The mid-engine Corvette never stopped being drawn. The Corvette Indy of 1986, built around the Ilmor-Chevrolet Indy V-8 with four-wheel drive, four-wheel steering and active suspension, became the running CERV III of 1990, with a twin-turbo LT5 and 650 horsepower, the car that proved the C8’s layout thirty years early. Bertone built the Ramarro on a 1984 and the Nivola on a ZR-1, Chevrolet showed the Stingray III in 1992 and the CERV IV test car for the C5, and Corvette engineering built the ZR-1 Spyder, the ZR-2 “Big Doggie” with a 454, the Snake Skinner lightweight and the 3,000-psi active-suspension ZR-1s for the Challenge series that GM shelved. None reached production; several survive in the National Corvette Museum.

MORE: THE CORVETTE INDY / CERV III / ALL CONCEPTS POSTS

Drawn in GM's Los Angeles studio while the Corvette fought cancellation, the Stingray III previewed the C5's taillights and decklid but would have cost $300,000 per car.
Only three drivable examples are believed to survive of the 25 active-suspension ZR-1s GM built with Lotus, the cars that led to Active Handling in 1996 and Magnetic Ride Control in 2003.
When the Viper arrived, a group inside Chevrolet built Conan: a ZR-1 stretched 8.8 inches to swallow Ryan Falconer's 683 hp V12. It melted its tires on the first quarter-mile run.
Built to skin the coming Viper, the Snake Skinner shed 250 pounds with magnesium, Kevlar and Lexan, then gained a 475 hp MerCruiser LT5. Specs, the Milford 185 mph run and its 2009 auction are all here.
Twin turbos, 650 horsepower, scissor doors and a $300,000-plus build cost: the CERV III was GM's last serious try at a mid-engine Corvette before the C5, and its roofline lived on in that car.
GM wanted to know whether a topless ZR-1 could work, so ASC built one for Advanced Engineering chief Don Runkle. The answer was no, and the DR-1 remains a one-off.

C4 Corvette Technical Research

The numbers behind the C4: production figures and build dates for all thirteen years, VIN decoding, every RPO and factory option with its price and take rate, the color charts, specifications and performance, sales brochures, owners manuals, technical service bulletins, recalls, common problems, maintenance schedules and our 1984 DIY series. The year pages carry each model year’s own set.

C4 Corvette Pictures, Videos, Wallpapers & Galleries

The C4 from every angle: galleries for each year, wallpapers, the C4s we have featured as Corvette of the Day, and videos of ZR-1s, Callaways, Grand Sports, Challenge cars and barn finds on the road, at auction and on track.

FAQs

What years are the C4 Corvette?

The C4 Corvette was built for thirteen model years, 1984 through 1996. There was no 1983 Corvette: the new car ran late and Chevrolet sold it from March 1983 as a 1984, so the first model year lasted eighteen months. The C3 preceded it, ending with the 1982, and the C5 replaced it for 1997. Within the generation the cars are usually split by engine: the Cross-Fire 1984, the Tuned-Port L98 cars of 1985–91, and the LT1 cars of 1992–96, with the ZR-1 as its own line from 1990 to 1995.

How many C4 Corvettes were built?

358,180: 51,547 in 1984, 39,729 in 1985, 35,109 in 1986, 30,632 in 1987, 22,789 in 1988, 26,412 in 1989, 23,646 in 1990, 20,639 in 1991, 20,479 in 1992, 21,590 in 1993, 23,330 in 1994, 20,742 in 1995 and 21,536 in 1996. 283,529 were coupes and 74,651 convertibles, which were built from 1986. The rare ones are the 6,939 ZR-1s, the 507 Callaway B2Ks and the single Sledgehammer, the 1,000 Grand Sports, the 2,050 35th Anniversary coupes, the 527 1995 Pace Car replicas and the 84 1989 ZR-1s that were never sold.

Who designed the C4 Corvette?

Jerry Palmer, head of Chevrolet Production Studio Three, designed the body under GM design chiefs Irv Rybicki and Chuck Jordan, with Pat Furey’s studio on the interior and John Cafaro, later the C5’s designer, on the engine bay. Dave McLellan, who had succeeded Zora Arkus-Duntov as Corvette chief engineer in January 1975, led the engineering: the uniframe chassis, the aluminum suspension with fiberglass springs and the rack-and-pinion steering were his team’s. Lotus designed the ZR-1’s LT5 engine under Tony Rudd, and Mercury Marine built it.

What engines did the C4 Corvette have?

All 350-cubic-inch (5.7-liter) V-8s. The 1984 L83 with Cross-Fire Injection made 205 horsepower; the L98 with Tuned-Port Injection made 230 horsepower in 1985, 240 from 1987 and 245 to 250 by 1990–91; the Gen II LT1 of 1992–96 made 300 horsepower and the 1996 LT4 330. The ZR-1’s LT5, an all-aluminum 32-valve engine with four overhead camshafts designed by Lotus and built by Mercury Marine, made 375 horsepower from 1990 and 405 from 1993. Callaway’s dealer-ordered B2K twin-turbo made 345 to 403 horsepower from 1987 to 1991. Transmissions were the Doug Nash 4+3 manual through 1988, the ZF six-speed from 1989 and a four-speed automatic throughout.

What changed from the C3 to the C4 Corvette?

Everything but the engine. The C4 replaced the 1963-vintage ladder frame with a galvanized uniframe and backbone, the steel suspension arms with forged aluminum, the coil and steel-leaf springs with fiberglass transverse leaves front and rear, recirculating-ball with rack-and-pinion steering and 15-inch wheels with 16-inch, in a body 8.8 inches shorter and a wheelbase 1.8 inches shorter, with a clamshell hood, a one-piece roof panel in place of T-tops, a glass hatch, a digital dashboard and a drag coefficient of 0.34 against 0.44. The 1984 kept the 1982’s 205-horsepower Cross-Fire 350 and four-speed overdrive automatic, and added the 4+3 manual.

What is a ZR-1 Corvette?

The ZR-1 (RPO ZR1, 1990–95) was the C4’s flagship: a coupe with the LT5, an all-aluminum 5.7-liter V-8 with four overhead camshafts and 32 valves designed by Lotus and built by Mercury Marine, 375 horsepower (405 from 1993), a ZF six-speed, FX3 adjustable dampers, a three-inch-wider tail with square lamps and 315-section rear tires. It cost $58,995 in 1990 against $31,979 for the coupe and $68,043 by 1995. Chevrolet built 6,939: 3,049 in 1990, 2,044 in 1991, 502 in 1992 and 448 in each of 1993, 1994 and 1995. A 1990 ZR-1 set the 24-hour world speed record at 175.885 mph. The name returned on the C6 in 2009 and the C7 and C8.

Which C4 Corvette year is the best to buy?

For a driver, a 1992–96 LT1 with the six-speed: 300 horsepower, the stronger ZF gearbox, the later dashboard and the fewest electrical faults, with the 1994–96 cars adding the passenger airbag, sequential injection and, in 1996, the LT4 and Real Time Damping. For the collector, a 1993–95 ZR-1 (405 horsepower, 448 a year), a 1996 Grand Sport (1,000) or a documented Callaway. For the least money, a 1985–89 L98 coupe, which is the cheapest modern Corvette there is; most buyers avoid the 1984’s Cross-Fire injection and the 4+3 transmission unless the car is exceptional. The 1986 convertible is the one to want for the pace-car connection, and the 1988 35th Anniversary for the look.

How much is a C4 Corvette worth today?

In 2026, ordinary C4s sold at auction for $4,000 to $20,000, 1984s at the bottom and low-mileage LT1 cars at the top, with exceptional 5,000-mile examples at $30,000 to $45,000. 35th Anniversary coupes brought $15,250 to $22,750, 40th Anniversary cars $9,350 to $26,400, ZR-1s $15,250 to $53,500 for 1990–92 cars and $43,000 to $85,000 for 1993–95s (Classic.com’s benchmark $37,240 in October 2026), Grand Sports $32,500 to $50,000, and documented Callaway B2Ks $34,100 to $50,500 with the Speedsters and the Sledgehammer in a market of their own. Results tracked by Classic.com and the auction houses; check whether a figure includes the buyer’s premium.

What were the C4 Corvette special models?

Factory: the 1986 Indy 500 Pace Car (every 1986 convertible, 7,315), the 1988 35th Anniversary Z01 (2,050), the 1990–95 ZR-1 (6,939), the 1993 40th Anniversary package (6,749), the 1995 Indy 500 Pace Car replica (527), the 1996 Grand Sport (1,000) and the 1996 Collector Edition (5,412). Dealer-ordered: the Callaway Twin Turbo B2K of 1987–91 (507). Tuner: the Callaway Speedster, SuperNatural and Sledgehammer, the Guldstrand GS80 and GS90, the Lingenfelter cars and the Greenwood G4R. Prototypes and concepts: the Corvette Indy, CERV III, CERV IV, the Stingray III, the Bertone Ramarro and Nivola, the ZR-1 Spyder, the ZR-2 “Big Doggie” and the Snake Skinner.

How did the C4 Corvette do in racing?

Better than any Corvette since the 1960s. Showroom-stock C4s won every SCCA Showroom Stock GT race from 1985 to 1987 and were banned, which created the one-make Corvette Challenge of 1988–89; the Corvette GTP prototypes won twice in IMSA in 1986; the Protofab Corvettes won the GTO class at Sebring in 1988; a ZR-1 set the 24-hour world record at 175.885 mph in 1990; and the Callaway SuperNatural LM finished ninth overall and second in GT2 at Le Mans in 1995. The C4 also paced the Indianapolis 500 in 1986 and 1995. Chevrolet’s full factory team, Corvette Racing, arrived with the C5-R in 1999.

What are the common problems with a C4 Corvette?

Failed or fading digital dashboards on 1984–89 cars; the 4+3 manual’s overdrive unit and electronics (1984–88); the Cross-Fire injection on the 1984; early Optispark distributors on 1992–94 LT1s, which fail when the water pump leaks on them; dead Bose amplifiers; stripped headlight-motor gears; leaking roof-panel and hatch seals; corroded aluminum suspension arms and brittle wiring and vacuum lines on older cars; and on the ZR-1, LT5 service costs for cams, chains and injectors, though the engine itself is robust. The C4 has the best parts supply of any classic Corvette and most of these are known, inexpensive fixes, which is why mileage and condition set the price more than the year.

Is a C4 Corvette a good investment?

The ZR-1, the Grand Sport and the documented Callaways have appreciated steadily since about 2015 and the best examples set records each year, but with 358,180 built the C4 is mostly a driver’s car whose prices track mileage and condition rather than the collector market, and the L98 cars have been the cheapest modern Corvettes for two decades. A low-mileage ZR-1, Grand Sport or Callaway bought with its paperwork has held value; an ordinary C4 is bought to be driven. We are not financial advisers; dated Classic.com results and the car’s build sheet, window sticker and NCM production order are the places to check before paying.