Vital Statistics

Wheelbase: 105.7 inches

Length: 176.2 inches

Width: 75.9 inches

Height: 48.7 inches

Curb weight: 3,333 pounds

Engine: LS9 supercharged 6.2L V8

Horsepower: 638

Torque: 604 lb.-ft.

EPA estimated m.p.g. city/highway: 14/20

Base price: $109,800

As-tested price: $124,345

Also consider: (a comparative vehicle) Audi RS8, Porsche 911 GT2, Ferrari 599