Corvette ZR1 Sport After years of speculation, spy photos, and rumors, General Motors revealed its Chevrolet Corvette ZR1 as a 2010 model. As expected, the ZR1 is the most powerful and most expensive Corvette model ever. In fact, the ZR1 is expected to be the first production Corvette to hit a top speed of 200mph.The time has arrived, no more gossip, unidentified sightings or gibberish.