This GMC Sierra 2500HD boasts a Gas V8 6.6L/ engine powering this Automatic transmission. ENGINE, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD).*This GMC Sierra 2500HD Comes Equipped with These Options *.* Visit Us Today *A short visit to Hallman Motors Limited located at 190 - 7th Avenue, Hanover, ON N4N 2H1 can get you a tried-and-true Sierra 2500HD today!