- Engine; Duramax 3.0L Turbo-Diesel I6
- Leather Seats
- Onyx Black
- Tires; Lt275/65R18C Mt Blackwall Goodyear Wrangler Duratrac
- Engine Block Heater
- Keyless Start
- Cooled Front Seat(S)
- Alternator; 220 Amps
- At4 Preferred Equipment Group
- Audio System; Premium Gmc Infotainment System With 8" Diagonal Color Touch-Screen; Includes Multi-Touch Display; AM/FM Stereo
- Emissions; Connecticut; Delaware; Maine; Maryland; Massachusetts; New Jersey; New York; Oregon; Pennsylvania; Rhode Island; Vermont And Washington State Requirements
- Gvwr; 7100 Lbs. (3221 Kg)
- Jet Black With Kalahari Accents; Perforated Leather Front Seat Trim
- License Plate Kit; Front
- Rear Axle; 3.23 Ratio
- Seats; Front Bucket
- Tire; Spare 265/70R17Sl All-Season; Blackwall
- Transmission; 10-Speed Automatic; Electronically Controlled
- Wheels; 18" X 8.5" (45.7 Cm X 21.6 Cm) Machined Aluminum
- Not Equipped With HD Radio; See Dealer For Details
- Not Equipped With Heated Second Row Outboard Seats; See Dealer For Details
This vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggling. No back and forth. No pressure. And this price is so good it is guaranteed. *Money-Back Guarantee is valid for 5 days or 250 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.
Rugged, refined, and built for serious capability, this 2021 GMC Sierra 1500 AT4 is the perfect blend of off-road strength and premium comfort. Designed for drivers who want truck capability without sacrificing refinement, the AT4 stands out with bold styling and proven performance. The AT4 trim is engineered for adventure, featuring off-road suspension tuning, enhanced traction capability, and a commanding stance thats ready for challenging terrain. Whether you're towing, hauling, or heading off the beaten path, this Sierra is built to handle it with confidence. Inside, you'll find a spacious and upscale cabin with premium materials, modern technology, smartphone connectivity, and advanced safety features designed to keep you comfortable and connected on every drive. It delivers the perfect balance of durability and luxury that GMC is known for. With its strong V8 capability, off-road readiness, and upscale interior, this 2021 GMC Sierra AT4 is an excellent choice for drivers who want it all in a full-size truck. Schedule your test drive today and experience the power, comfort, and versatility that set the AT4 apart from the rest!







