The 2011 GMC sierra 3500HD is available in three body styles (regular, extended cab and crew) and a single or double rear axle. There are over sixty different combinations of truck available with these options. All trucks have a bed available long. The bulk of these trucks is equipped with steel wheels of 16 inches. [...]
Only one engine and transmission combination available for the 2011 GMC Acadia – a 3.6-liter V6 mated to a six-speed automatic with manual shift controls. In LS and LT – that have a single exhaust system – the V6 produces 281 horsepower and 266 lb-ft of torque. In the unique LTZ V6 output jumps to [...]