Test Vehicle: 2006 Cadillac STS-V
Base Price: $77,090 (including a $720 destination charge and $2,100 gas guzzler tax)
Engine Size and Type: Supercharged Northstar 4.4-liter V8
Engine Horsepower: 469 at 6,400 rpm
Engine Torque: 439 lb.-ft. at 3,900 rpm
Transmission: Six-speed automatic
Curb Weight, lbs.: 4,233
EPA Fuel Economy (city/highway): 15/23 mpg
Observed Fuel economy: 14.4 mpg
Length: 197.6 inches
Width: 72.6 inches
Wheelbase: 116.4 inches
Height: 58.2 inches
Legroom (front/rear): 42.6/38.3 inches
Headroom (front/rear): 38.7/37.9 inches
Max. Seating Capacity: Five
Max. Cargo Volume: 13.8 cubic feet
Competitors: Audi S6, BMW M5, Chrysler 300C SRT-8, Dodge Charger SRT-8, Jaguar XJR, Maserati Quattroporte, Mercedes-Benz E55 AMG.

Photos courtesy of Cadillac