This 2013 GMC Sierra 3500HD SLT combines legendary Duramax diesel power with premium comfort and capability. The Crew Cab Long Box configuration provides spacious seating and ample cargo space, while the distinctive white exterior contrasts beautifully with the ebony leather interior. Built to work hard and ride well, this Sierra 3500HD is equipped for serious towing and daily hauling alike.- Duramax 6.6L V8 Turbodiesel engine with Allison 1000 6-speed automatic transmission- 4WD with electronic shift transfer case and heavy-duty handling/trailering suspension- Power retractable sunroof with express-open functionality- Premium audio system with navigation, AM/FM/SiriusXM stereo and CD player- Heated front bucket seats with leather-appointed trim and 10-way power adjustability- Rear vision camera with ultrasonic rear parking assist- Trailering wiring provisions for camper, fifth wheel and gooseneck trailers- Engine block heater for reliable cold-weather starts- SLT Convenience Package with dual-zone automatic climate control- OnStar Directions & Connections with emergency communication systemThis Sierra 3500HD has earned its miles in hard work while being meticulously maintained. With the legendary Duramax diesel, advanced trailering features, and premium leather interior, it delivers the reliability and comfort truck buyers demand. Schedule your test drive today we offer free delivery anywhere in Colorado to qualified buyers.Proudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort Collins, Thornton, Westminster, Lakewood, Broomfield, Golden, Brighton, and Greeley.