1 of 2 surviving 1988 Chevrolet Corvette ZR-1 prototypes sold for $75,000

One of two surviving 1988 Chevrolet Corvette ZR-1 prototypes sold for $75,000 Tuesday in a Cars & Bids online auction. As a refresher, the C4-generation Corvette ZR-1 started production in 1990, and became the ultimate General Motors performance car of the early 1990s. Dubbed “King of the Hill” during development, the production version was powered …