Corvette: Year by Year
1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 19651966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
The Return of the Grand Sport
Although it wouldn't be fair to refer to the 2010 Corvette Grand Sport as a "Z06 lite", it does share some important bits with the track day favorite. Besides the fender areas, upgrades from the base cars include dry-sump oiling system, differential cooler and a rear-mounted battery. The latter three are only possible when the Grand Sport edition is a coupe equipped with a manual transmission. Although automatic transmissions and convertibles are available with the Grand Sport, they do not come with those race car inherited items. The reasons behind this dividing line can't be found in the GM press release but Corvette enthusiasts can draw their own conclusions.
Other important performance parts shared with the Z06 include the brakes, which feature six piston calipers in front and four piston calipers in the rear. Functional brake ducting and the rear spoiler and front splitter is also the same as found on the Z06. Fitted to the larger wheels are the same Goodyear Eagle F1 Supercar tires as found on the Z06. Also shared with the Z06 are the sway bars although the springs and shock absorbers are exclusive to the Grand Sport. The Grand Sport package replaces the Z51 suspension option of previous years.
The Grand Sport engine is the same 6.2 liter (376 cubic inches) LS3 that propels the coupe and convertible Corvettes. It is rated at 430 hp. The optional dual mode exhaust system (RPO NPP; $1,195) ups the power to 436 hp.
Features found on the Z06 but not in the Grand Sport include the 427 cubic inch displacement LS7 motor and the Z06's price tag; Although the Grand Sport is approximately $6000 more than the basic Corvette, it is almost $20,000 less than the Z06. Also note that the Grand Sport is available as both a Targa roofed coupe and a convertible where the Z06 is exclusively fixed roof. This is because the Grand Sport is built on the same steel chassis as the coupe and convertible, not the aluminum backbone that the Z06 relies on. The scales conclude the story with the Z06 weighing 150 pounds less.
All Photographs Courtesy GM
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