2025 GMC Sierra 2500 HD AT4 Truck Crew Cab V-8 cyl

The 2025 GMC Sierra 2500HD AT4 is a capable workhorse designed for those who demand performance and reliability. This is a single-owner vehicle with a clean CarFax history, ready to serve you well for years to come.

- Sterling Metallic Silver exterior
- 6.6L V8 engine with 10-speed automatic transmission and 4WD
- Gooseneck/5th wheel prep package with hitch platform and bed-mounted 7-pin trailer harness
- Snow plow prep/camper package with 220-amp alternator and transfer case/oil pan skid plates
- X31 off-road package with off-road suspension and hill descent control
- LT275/65R20 BF Goodrich off-road tires
- Bose premium 7-speaker sound system with SiriusXM 360L trial subscription
- HD surround vision with bed view camera and trailer camera provisions
- Trailer tire pressure monitor sensors with factory-installed In-Vehicle Trailering App
- Heated and ventilated front seats with leather trim
- Heated rear outboard seats
- Spray-on pickup bedliner with GMC logo
- Wireless phone projection and wireless charging
- Push button start with remote vehicle starter system
- LED cargo area lighting with smoked amber roof marker lamps

This truck combines serious capability with genuine comfort. The 2-speed active transfer case provides responsive handling on any terrain, while the comprehensive trailering systemâ€"including trailer side blind zone alert, rear cross traffic alert, and hitch guidanceâ€"makes towing intuitive and safe. The spray-on bedliner protects your investment, and the thermal management features keep you comfortable whether you're pulling a load in summer heat or prepping for winter work.

The interior reflects the AT4's commitment to driver-focused design. Premium leather seating, heated and ventilated front seats, and heated rear outboard seats ensure comfort across seasons. The Bose audio system, wireless charging, and dual USB charging ports with data capability keep your devices powered and your music sounding excellent. Electronic controls for mirrors, windows, and seat adjusters add convenience to daily operation.

Safety and visibility matter in a truck of this caliber. Automatic emergency braking, forward collision alert, front pedestrian braking, and lane departure warning provide active protection. The IntelliBeam automatic high-beam system adapts to traffic conditions, while ultrasonic front and rear park assist helps you navigate tight spaces confidently. The comprehensive airbag system protects all occupants.

This AT4 is engineered for those who work hard and expect their truck to keep pace. Whether you're managing a job site, towing a trailer, or navigating challenging terrain, the robust frame, proven V8 powerplant, and specialized prep packages position this Sierra to handle the demands you place on it. With a single owner and a clean history, this truck is a solid choice for serious work.