GM trots out 'Vette with 620 horses

The Corvette ZR1 will be powered by a supercharged V8 producing at least 190 horsepower more than the standard version.

Massive wheels
Massive wheels
The 2009 Corvette ZR1 will have 19-inch alloy wheels in the front and 20-inch wheels in the back. It will run on high-performance Michelin tires created specifically for this car.

The brakes use carbon-ceramic rotors that weigh less than metal rotors and, according to GM, should not require replacement for the life of the car when used in normal driving.

The brake calipers are painted a blue color that is specific to the ZR1.

Last updated December 31 2007: 7:44 AM ET

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Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer. Morningstar: © 2018 Morningstar, Inc. All Rights Reserved. Factset: FactSet Research Systems Inc. 2018. All rights reserved. Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor's Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2018 and/or its affiliates.