Test Vehicle: 2007 GMC Sierra
Price Range: Reg. $18,760 / Ext. $23,605 / Crew $27,000 (inc. $900 dest.)
Engine Size and Type: 4.3-liter V6 / 4.8-liter V8 / 5.3-liter V8 FlexFuel / 5.3-liter V8 / 6.0-liter V8 / 6.2-liter V8 (Denali only)
Engine Horsepower: 195 at 4,600 rpm / 295 at 5,600 rpm / 315 at 5,200 rpm / 315 at 5,200 rpm / 367 at 5,500 rpm / 400 at 5,700 rpm (Denali only)
Engine Torque: 260 lb.-ft. at 2,800 rpm / 305 lb.-ft. at 4,800 rpm / 338 lb.-ft. at 4,400 rpm / 338 lb.-ft. at 4,400 rpm / 375 lb.-ft. at 4,300 rpm / 417 lb.-ft. at 4,400 rpm (Denali only)
Transmission: four-speed automatic / six-speed automatic (Denali only)