Extra Clean. SLE trim. WiFi Hotspot, Onboard Communications System, CD Player, iPod/MP3 Input, Satellite Radio, Back-Up Camera, 4x4, Aluminum Wheels, Hitch, Flex Fuel, Non-Smoker vehicle. KEY FEATURES INCLUDE4x4, Back-Up Camera, Flex Fuel, Satellite Radio, iPod/MP3 Input, CD Player, Onboard Communications System, Trailer Hitch, Aluminum Wheels, WiFi Hotspot MP3 Player, Keyless Entry, Privacy Glass, Steering Wheel Controls. GMC SLE with Deep Mahogany Metallic exterior and Jet Black/Dark Ash interior features a 8 Cylinder Engine with 360 HP at 5400 RPM*. EXPERTS REPORTKBB.com explains What do you call a heavy-duty pickup that can pull, haul and work like theres no tomorrow, yet offers its passengers a level of comfort and refinement on par with some luxury SUVs You call it the 2018 GMC Sierra 2500 or 3500 HD.. EXCELLENT VALUEExtra Clean Reduced from $59,300. This Sierra 2500HD is priced $1,700 below J.D. Power Retail. Pricing analysis performed on 6/3/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.