With regular service records, a clean CarFax, and $10,000 worth of upgrades, it's a tempting example to say the least.

The ZR1 skipped the C5 but showed up again, sans hyphen, in the 2009 C6 Corvette. Now fielding a supercharged 638-hp LS9 (604 lb-ft of torque) engine, it was the first factory Corvette to top 200 mph!

The C6.R is based on the ZR1, but comes in with about 500 horsepower to push its 2,745-pound weight and uses a sequential transmission and slicks. The ZR1 works with 638 horses but has 3,345 ...

The ZR1 skipped the C5 but showed up again, sans hyphen, in the 2009 C6 Corvette. Now fielding a supercharged 638-hp LS9 (604 lb-ft of torque) engine, it was the first factory Corvette to top 200 mph!