This 2011 GMC Sierra 2500HD SLE is a fully equipped diesel truck built to handle serious work and long-distance hauling with confidence.

- 6.6L V8 Diesel Turbocharged Duramax engine with 397 hp and 765 lb-ft of torque
- Allison 1000 6-speed automatic transmission with tow/haul mode and electronic engine grade braking
- Heavy-duty automatic locking rear differential
- SLE Preferred Package including dual-zone climate control, 6-way power driver seat, and Bluetooth® connectivity
- Convenience Package with adjustable power pedals, remote vehicle starter, and rear parking assist
- Snow Plow Prep Package with increased front GAWR and high-flow front bumper
- Off-Road Suspension Package with 35mm twin-tube shocks and skid plate protection
- Heavy-duty trailering equipment with integrated trailer brake controller and 2.5-inch receiver hitch
- Dual 125-amp alternators and 730 cold-cranking-amp battery system
- Engine block heater for reliable cold-weather starting
- Exhaust brake for enhanced engine braking on descents
- Heated power-adjustable outside mirrors with integrated turn signals
- Auto-dimming inside rearview mirror
- Premium cloth seating with leather-wrapped steering wheel and steering wheel audio controls

This truck was engineered for serious capability. The Duramax diesel engine delivers the torque needed for towing, while the Allison transmission provides smooth, controlled power delivery. The heavy-duty infrastructure—dual alternators, robust battery system, and engine block heater—ensures reliable performance in demanding conditions. Whether you're towing fifth wheels, gooseneck trailers, or managing work-site challenges, this truck is equipped to meet those demands.

The suspension and braking systems reflect careful engineering for both stability and control. The off-road suspension package works alongside the skid plate protection to safeguard critical components, while the four-wheel disc brakes with ABS provide confident stopping power even when fully loaded.

Interior features prioritize functionality and driver comfort. Dual-zone climate control keeps cab occupants comfortable during long drives, while Bluetooth® connectivity, AM/FM stereo with CD and MP3 playback, and steering wheel audio controls integrate modern conveniences into the work environment. The 6-way power driver seat adjusts to your preferences, and the power-adjustable pedals accommodate different driver heights.

This Sierra 2500HD SLE represents a truck built with purpose—equipped with the systems and features needed for work, trailering, and reliable service across seasons and conditions. The combination of diesel efficiency, rugged capability, and practical appointments makes this a serious choice for those who demand performance from their truck.