
Meet the 2026 GMC Sierra 1500 AT4X a premium diesel truck engineered for serious capability and refined comfort. With its striking Volcanic Red Tintcoat exterior and Obsidian Rush leather interior, this Crew Cab Short Box commands attention on any terrain. Powered by a 3.0L I6 diesel engine with 10-speed automatic transmission and 4WD, the AT4X delivers the power and efficiency you demand, while a suite of advanced safety and technology features keeps you confident and connected.
Key Features:
- Bose Premium 12-Speaker Audio System with SiriusXM 360L
- Wireless Apple CarPlay and Android Auto integration
- 16-Way power driver and passenger seats with lumbar support
- Full-locking front and rear differentials for off-road control
- Advanced safety suite including Automatic Emergency Braking and Lane Keep Assist
- HD Surround Vision with Bed View Camera
- Integrated Trailer Brake Controller with Hitch Guidance
- Heated and ventilated front seats with power sunroof
- Navigation System with Multicolor 15 Head-Up Display
- Ultrasonic front and rear park assist
This Sierra AT4X is ready to work as hard as you do. Visit us to experience the perfect blend of luxury, performance, and capability that only GMC can deliver.
Groulx Automotive is a 3rd generation dealership in Monroe Michigan that has been in business for over 75 years. We value exceptional service and honesty. We would love an opportunity to earn your business.