KBB.com Brand Image Awards. This GMC Sierra 2500HD boasts a Gas/Ethanol V8 6.0L/366 engine powering this Automatic transmission. ENGINE, VORTEC 6.0L VARIABLE VALVE TIMING V8 SFI E85-COMPATIBLE FLEXFUEL capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (E63) wideside pickup box; (322 hp [240.1 kW] @ 4400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (ZW9) pickup box delete (STD), Wipers, front intermittent wet-arm with pulse washers, Windows, power with driver Express-Down.*This GMC Sierra 2500HD Comes Equipped with These Options *Wheels, 17" (43.2 cm) machined aluminum includes 17" x 7.5" (43.2 cm x 19.1 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered (Upgradeable to (PYR) 18" (45.7 cm) forged polished aluminum wheels or (PYS) 20" (50.8 cm) forged polished aluminum wheels.), Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on, Visors, driver and front passenger, sliding with clip and illuminated vanity mirror on driver and passenger-side, Opal Gray-colored, Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous engine.), Transfer case, electronic shift with rotary dial controls (Requires 4WD models), Tires, LT245/75R17E all-season, blackwall, Tire Pressure Monitor System (does not apply to spare tire), Tire carrier, outside spare, winch-type mounted under frame at rear (Orders with (ZW9) Pickup box delete will not include a Spare Tire Carrier unless a spare tire is ordered.), Tailgate protection top of tailgate protection cap, Suspension, rear 4+1 multi-leaf springs.* See What the Experts Say!*As reported by KBB.com: If you need to haul big payloads exceeding 10,000 pounds or conventionally tow up to 18,000 pounds, the 2014 GMC Sierra HD has you covered. The Denali trim should hold special appeal for those who use their work truck as a daily driver.* Visit Us Today *Stop by S & S Best Auto Sales LLC located at 2712 Auburn Way N, Auburn, WA 98002 for a quick visit and a great vehicle!