
Discover the ultimate heavy-duty pickup with the 2020 GMC Sierra 3500HD AT4. This powerful and capable truck is built to take on any challenge, from rugged off-road adventures to towing and hauling heavy loads. Equipped with a Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, the Sierra 3500HD AT4 delivers exceptional performance and efficiency, ensuring you can tackle any task with ease.
- 4X4
- Apple/Android CarPlay
- Audio Package
- Backup Camera
- Bluetooth
- Clean CARFAX
- Diesel
- iPod/USB Adapter
- MP3
- Push Start Engine
- Remote Start
The Sierra 3500HD AT4 is packed with premium features that elevate your driving experience, including a Gooseneck/5th Wheel Package, Technology Package, and AT4 Premium Package. Enjoy the convenience of a Surround Vision camera system, Rear Camera Mirror, Bed View Camera, and a 15-inch Head-Up Display. Stay connected with the 8-inch Digital Driver Information Center and 4G LTE Wi-Fi Hotspot.
For added confidence and control, the Sierra 3500HD AT4 boasts a suite of advanced safety technologies, such as Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking, and a Safety Alert Seat. The Trailer Tire Pressure Monitor Sensors and Integrated Trailer Brake Controller ensure you can tow with ease and peace of mind.
Comfort and style are also prioritized in the Sierra 3500HD AT4, with features like heated and ventilated front seats, a heated steering wheel, and a power sunroof. The Bose premium audio system and wireless charging further enhance your driving experience.
Whether you're tackling tough jobs or embarking on epic adventures, the 2020 GMC Sierra 3500HD AT4 is the ultimate heavy-duty pickup that delivers uncompromising capability, technology, and comfort. Experience the power and versatility of this exceptional vehicle today.






