2021 GMC Sierra 1500 AT4

This 2021 GMC Sierra 1500 AT4 combines rugged capability with premium comfort in a sophisticated black exterior. Powered by an EcoTec3 5.3L V8 with 10-speed automatic transmission and 4WD, this truck delivers the performance you need for any terrain. With a commanding presence and well-appointed features, it's built to handle work and weekend adventures alike.

- Premium Bose 7-Speaker Sound System with SiriusXM 360L
- GMC Premium Infotainment System with Navigation and Apple CarPlay/Android Auto
- Adaptive Cruise Control with Lane Keep Assist and Automatic Emergency Braking
- Multicolor 15 Head-Up Display
- HD Surround Vision with Rear Camera Mirror and Bed View Camera
- Heated and Ventilated Front Seats with 10-Way Power Adjustment
- Power Sunroof with GMC MultiPro Tailgate Step Lights
- 20 Machined Aluminum Wheels with Carbon Grey Metallic Accents
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Wireless Charging and 4G LTE Wi-Fi Hotspot Capable

This AT4 is equipped with the AT4 Premium Package and Driver Alert Package II, delivering enhanced capability and safety. The truck features a spray-on bed liner with AT4 logo, red recovery hooks, and hill descent control for serious off-road confidence. Inside, premium leather-appointed seating, heated steering wheel, and multiple power outlets create a refined driving environment. Advanced safety technologies include lane change alert with blind-zone detection, rear cross traffic alert, and ultrasonic park assist to keep you secure on every journey.

Come see this impressive Sierra 1500 AT4 in person and experience the blend of luxury and capability firsthand. Our team is ready to answer your questions and help you behind the wheel.

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.