Key features
DieselEngine, Duramax 6.6L V8 Turbo Diesel (260 hp [193.9 kW] @ 3100 rpm, 525 lb-ft of torque [708.7 N-m] @ 1600 rpm) with B20 Bio-Diesel capability (see owner's manual for details) (Includes (GT4) 3.73 rear axle ratio, (MYD) heavy-duty, 6-speed automatic transRWD
