Rare Corvettes · One of one

CERV III

If the Corvette Indy was a wish list, the CERV III was the version that looked ready to be sold. In 1990 Chevrolet showed a mid-engine Corvette with 650 turbocharged horsepower and a 225-mph top speed — and then priced it clean out of existence.

The 1990 Chevrolet Corvette CERV III mid-engine concept
The CERV III — Chevrolet Engineering Research Vehicle No. 3, the production-ready evolution of the Corvette Indy. Photo: Wikimedia Commons, CC BY-SA 2.0

Unveiled at the Detroit Auto Show in January 1990, the CERV III carried a name with real history: it was the third Chevrolet Engineering Research Vehicle, following the single-seat CERV I and four-wheel-drive CERV II that Zora Arkus-Duntov had built in the 1960s. Where those were bare research tools, the CERV III was a fully realized, drivable supercar — the Corvette Indy's exotic ideas hardened into something that could actually be built.

And the numbers were staggering for 1990. The heart was the 5.7-liter, 32-valve, twin-cam LT5 — the same Lotus-designed V8 as the C4 ZR-1 — but here fitted with twin turbochargers for 650 horsepower and 655 lb-ft of torque. Chevrolet documented a 225-mph top speed and a 0–60 time of 3.9 seconds, figures that would embarrass most production supercars of the era.

CERV III at a glance

  • Engine: twin-turbo 32-valve LT5 V8 — 650 hp, 655 lb-ft
  • Performance: 225 mph top speed, 0–60 in 3.9 seconds
  • Body: carbon fiber with a fiberglass finish; Lamborghini-style scissor doors
  • Chassis: active suspension and computer-controlled rear steering, developed with Lotus
  • Why not built: an estimated $300,000–$400,000 per car

That price was the whole problem. At an estimated $300,000 to $400,000 a copy, the CERV III was never a realistic production car — it was a demonstration of how far the engineering could go. Many of its ideas quietly filtered into the 1997 C5, but the mid-engine layout it championed would wait another thirty years for the C8 to make it real. It stands as the closest the classic mid-engine dream ever came to the showroom. See the rest of that lineage in the rare Corvettes collection.