2025
GMC SIERRA 3500HD AT4

Our Diesel powered 2025 GMC Sierra 3500HD AT4 Crew Cab 4X4 can rule your day with rugged capability in Thunderstorm Grey! Motivated by a TurboCharged 6.6 Litre DuraMax Diesel V8 serving up 445hp and 910lb-ft of torque to a 10 Speed Allison Automatic transmission. This Four Wheel Drive truck shows off fierce functionality and style with a 2-speed transfer case, an off-road suspension, Digital Variable Steering, a ProGrade Trailering System, hill descent control, LED lighting, fog lamps, cargo-bed lighting, a MultiPro tailgate, skid plates, alloy wheels, and a spray-on bedliner. This is one well-equipped Sierra!Our AT4 cabin is a bold base camp for adventure, featuring upscale amenities like heated/ventilated leather power front and heated rear seats, a heated-wrapped steering wheel, dual-zone automatic climate control, remote start, keyless access/ignition, a rear defogger, and 12V/120V power outlets. High-tech infotainment is at your service with a 13.4-inch touchscreen, a 12.3-inch driver display, Google Built-in, WiFi compatibility, wireless Android Auto®/Apple CarPlay®, Bluetooth®, wireless charging, and Bose audio.Safely take on busy days with smart GMC features like automatic braking, trailer blind-spot monitoring, lane-departure warning, HD surround vision, a bed-view camera, and more. Choose our Sierra 3500HD AT4, and take charge of your next challenge! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership!