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This is no ordinary C4 coupe, but a GM Engineering test mule with VIN plate EX4607 proudly displayed in the windscreen, built in 1986 to test all the new-for-1988 features. This actual car must have spent weeks pounding round the General Motors Proving Ground at Milford, Michigan with longer runs on the road, testing all the changes for a year which saw the C4 suspension, steering and brakes vastly improved.
It was only fitting that the Corvette design team honor the outgoing C5 by saluting its finest racing accomplishments with a special Le Mans Commemorative Edition package for all 2004 Corvette models. The Coupe and Convertible packages included special Le Mans Blue metallic paint, unique badging noting the Le Mans victories, polished wheels, and a special shale-colored interior featuring embroidered Le Mans emblems on the headrests.
This special edition takes the upgraded handling and appearance that comes with the Grand Sport moniker and adds some special cosmetic touches for extra uniqueness. Along with a stunning gray metallic paint color, it features blue accents that harken back to previous Grand Sports. A representation of the original Grand Sport race car is embossed onto the headrests. Powered by the regular (and excellent) LT1 V-8, it features magnetic ride control, an electronic limited-slip differential, and Grand Sport wheels.