This 2025 GMC Sierra 1500 AT4X in Thunderstorm Gray delivers commanding presence and premium capability, built for those who demand both performance and sophistication in their truck.

- EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque
- Dual, sport-mode active exhaust system
- 4WD with driver-selectable full-locking front and rear differentials
- Off-road suspension with hill descent control
- Premium GMC Infotainment system with wireless Apple CarPlay and Android Auto
- Bose premium audio system with 12 speakers
- MultiPro Tailgate Audio System by Kicker
- Heated and ventilated leather front seats with 16-way power adjustment
- Power moonroof with deep-tinted glass
- Integrated trailer brake controller with in-vehicle trailering system app
- HD surround vision with bed view and hitch view cameras
- Ultrasonic front and rear park assist
- Lane keep assist with lane departure warning
- Off-road high clearance steps

The AT4X trim elevates your Sierra beyond standard capability. The EcoTec3 6.2L V8 produces impressive power while the dual active exhaust adds both performance and character. This truck handles off-road terrain with confidence through driver-selectable locking differentials, off-road tuned suspension, and hill descent control—features engineered for genuine adventure.

Inside, you'll find a commanding driving position enhanced by the multicolor head-up display and navigation system. Genuine wood accents and full grain leather seating create an upscale environment, while the heated and ventilated front seats provide all-season comfort. The wireless charging pad and multiple USB ports keep your devices ready, and the Bose premium audio system transforms every drive into an immersive experience.

Trailering is simplified through the integrated trailer brake controller and in-vehicle trailering system app. The hitch guidance and hitch view camera remove guesswork, while the trailer tire pressure monitor system keeps you informed. With the trailering package included, this Sierra is fully equipped for serious hauling.

Safety technology rounds out the package with automatic emergency braking, front pedestrian braking, rear cross traffic braking, and rear pedestrian detection. Lane keep assist with lane departure warning provides added confidence on every road.

Alpine offers an unconventional experience with up front pricing, a non commissioned staff, no games, and a pain free auto shopping experience. Our focus is your satisfaction and making sure you walk out the door happy, with our without a vehicle. Only at Motor City, Only at Alpine! (719)636-3881 1313 Motor City Drive, Colorado Springs, CO 80905.