Top Five Best Corvette-Based Custom Cars

What Makes It Special

The Iso Grifo 90 was a rare, limited-edition revival of the original Iso Grifo, introduced in 1991 to mark Iso’s return after its 1974 closure.

Designed by Marcello Gandini, the Grifo 90 was meant to combine Italian styling with American muscle. It featured a sleek, angular design, powered by a Chevrolet 5.7-liter V8 engine.

It produced around 490 horsepower and was paired with a six-speed manual transmission. The use of multi-material construction kept the weight down to a mere 1200 kilograms.

Despite its appeal, only one prototype was built due to financial constraints, making the Iso Grifo 90 a rare collector’s item with classic heritage.

What Makes It Special

The XLR-V was Cadillac's answer to the C6 Corvette. From 2006 to 2009, Cadilliac produced the XLR-V, a high-performance luxury roadster based on the C6 Corvette platform, which featured a retractable hardtop and distinctive styling.

Powering the XLR-V was a supercharged and intercooled 4.4-liter Northstar V8 engine, producing 443 horsepower and 414 lb-ft of torque sent to the rear wheels via a six-speed automatic transmission.

The XLR-V accelerated from 0–60 mph in just 4.3 seconds. It also included Magnetic Ride Control, adaptive suspension, Brembo brakes, and 19-inch wheels.

Inside, it featured premium leather upholstery, wood accents, and advanced technology such as a head-up display and navigation, seamlessly blending American power with refined luxury.

What Makes It Special

The Rossi Sixty-Six was a custom-built sports car blending modern performance with classic styling inspired by the 1966 Chevrolet Corvette. Created by Rossi Motor Company in 2010, it featured a sleek, retro design with contemporary engineering.

Based on the C6 Corvette platform, it retains the naturally aspirated Corvette’s 6.0L LS3 V8 engine, producing 450 hp and 400 lb-ft of torque, sent to the rear wheels. The Sixty Six weighted 400 pounds more (3,550 pounds total).

The Sixty-Six boasts carbon fiber body panels, upgraded suspension, and modern interior comforts like leather seats and advanced infotainment systems. It offers a unique fusion of 1960s Corvette aesthetics with modern performance and technology.

What Makes It Special

In 2018, Equus Automotive introduced the Throwback, a 1,000 hp powerhouse inspired by classic Corvettes of the 1960s and 1970s.

Based on the C7 Corvette, this carbon fiber-clad beast blends retro design elements with modern innovation, offering customization for both design-focused drivers and performance enthusiasts. 

The Throwback features round headlights, classic rear circular lights, and exaggerated exhausts. Inside, Alcantara upholstery, leather, and diamond stitching enhance the luxury feel.

Under the hood is an eight-cylinder engine, with an optional upgrade delivering 1,000 horsepower and 822 lb-ft of torque, a massive triple-exit exhaust pipe, and endless customization options.

What Makes It Special

The Callaway Sledgehammer is a legendary high-performance Corvette created by Callaway Cars in 1988. Based on the C4 Corvette, it was engineered to break speed records. Powered by a twin-turbocharged 5.7-liter V8 engine, it produced an impressive 880 horsepower and 772 lb-ft of torque.

The ‘Bow Tie’ V8 engine had a blueprinted block, four-bolt splay-design bearing caps, a Cosworth crankshaft, forged pistons, a dry-sump oil system, an MSD ignition system, and Zytek engine management.

The Sledgehammer featured custom aerodynamics, including a reinforced body, improved cooling, and suspension modifications to handle high speeds. It had a 6-speed manual transmission and high-performance Goodyear Eagle tires.