Used 2021 Gmc Sierra 1500 AT4

2021 GMC Sierra 1500 AT4 Crew Cab 4x4 — Duramax Diesel, CarbonPro Bed, Tech Package, and Off Road Luxury. If a truck could wear a fitted tuxedo and steel toe boots at the same time, it would be this 2021 GMC Sierra 1500 AT4 Crew Cab 4x4. Built for drivers who want real off road capability wrapped in premium comfort, this AT4 checks every box and even invents a few new ones. Powered by the legendary 3.0L Duramax turbo diesel, this Sierra delivers smooth torque, impressive fuel efficiency, and the kind of quiet strength that makes towing feel effortless. Paired with GMC’s advanced 4x4 system, off road suspension, skid plates, and hill descent control, the AT4 is built for mud, gravel, snow, and whatever the world throws at it. This one brings the upgrades that matter, starting with the CarbonPro Edition. The carbon fiber composite bed is dent proof, rust proof, and about as close as you can get to indestructible in a pickup. Add the MultiPro tailgate, LED bed lighting, tie downs, and factory spray in liner and you get one of the most practical truck beds ever engineered. Inside, the AT4 Premium Package elevates comfort with leather appointed Jet Black and Kalahari seats, a power sliding rear window, multiple power outlets, heated front and rear seats, a heated steering wheel, and 10 way power adjustments. The Technology Package loads in a crisp head up display, rear camera mirror, and advanced surround camera system that makes parking and trail running equally stress free. You also get the AT4 Driver Alert Package with lane change alert, blind zone monitoring, forward collision alert, and more. The exterior finishes the look with the Summit White paint, 20 inch dark gray painted aluminum wheels, vertical trailering mirrors, and AT4 skid plate accents that remind everyone this truck is not afraid to get dirty. If you want a truck that blends luxury, toughness, and next level engineering, this 2021 Sierra 1500 AT4 is the one you will compare everything else to. Stop by Diehl of Robinson today and take the Duramax powered AT4 for a drive. One run down the road and you will understand why AT4 owners refuse to switch brands.

• AWD
• Adaptive Cruise Control
• Android Auto
• Apple CarPlay
• Backup Camera
• Fog Lights
• Heated Seats
• Keyless Entry
• Lane Departure Warning
• Lane Keep Assist
• Memory Seats
• Parking Sensors / Assist
• Power Seats
• Premium Audio
• Sunroof / Moonroof
• Technology Package
• Tow Package
• Wireless Phone Charging

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