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1620 East Homer Adams Pkwy Alton, IL 62002

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2022 GMC Sierra 3500 AT4 OVERVIEW Overview Icon

2022 GMC Sierra 3500 AT4 in Alton

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  • 18" All-Terrain Tires and Available 20" All-Terrain Tires
  • Electronic 2-Speed AutoTrac Transfer Case
  • 6.6L Gas V8 Engine with 6-Speed Automatic Transmission
  • Available Lane Departure Warning, Rear Cross Traffic Alert, Front and Rear Park Assist and more
2022 GMC Sierra 3500 AT4 Main Img

GMC Sierra 3500 AT4 Dealer in Alton

2022 GMC Sierra 3500 AT4 PERFORMANCE Performance Icon

2022 GMC Sierra 3500 AT4 performance

NEXT-LEVEL GROUND CLEARANCE

To assist in clearing rugged terrain, Sierra HD AT4 offers up to 11.18" of ground clearance along with a maximum approach angle of 27 degrees.

2022 GMC Sierra 3500 AT4 performance

MADE FOR OFF-ROAD

  • AT4 offers a 2-speed AutoTrac® transfer case with an active automatic 4WD drive setting, which provides seamless shifting between two- and four-wheel drive based on road conditions
  • Hill Descent Control
  • Skid plates provide added underbody protection
  • Equipped with Off-Road Mode
  • Off-Road Suspension with Rancho® Shocks and Skid Plates
2022 GMC Sierra 3500 AT4 performance

ADVANCED ENGINES

  • Standard 6.6L V8 Gas Engine with 6-Speed Automatic Transmission
    • 401 hp and 464 lb.-ft. of torque
  • Available Duramax® 6.6L Turbo-Diesel V8 Engine with Allison® 10-Speed Automatic Transmission
    • 445 hp and 910 lb.-ft. of torque
    • Large variable-speed cooling fan and dual path air induction system
    • Factory-installed diesel after-run function maintains an ideal temperature for performance and minimizes fuel consumption
    • Intelligent diesel exhaust brake system

2022 GMC Sierra 3500 AT4 APPEARANCE Appearance Icon

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2022 GMC Sierra 3500 AT4 appearance

PRIMARY GATE

Open the primary gate using the key fob’s power release from inside the truck or from the button on the gate. These same buttons can be used to lock the gate once closed.

2022 GMC Sierra 3500 AT4 appearance

PRIMARY GATE LOAD STOP

With the primary gate open, the load stop can help prevent items from sliding out of the bed.

2022 GMC Sierra 3500 AT4 appearance

EASY ACCESS

The inner gate folds down for easy access when loading and unloading the bed.

2022 GMC Sierra 3500 AT4 COMFORT Comfort Icon

2022 GMC Sierra 3500 AT4 comfort

AT4’S ATHLETIC INTERIOR

  • Premium front and rear floor liners with removable carpet inserts
  • Embroidered AT4 logos
  • Heated and ventilated perforated front leather seating surfaces
  • Exclusive Jet Black with Kalahari interior
  • Heated leather-wrapped steering wheel
  • Rear seatback and under-seat storage
  • Powerful HVAC system with dual-zone climate control and rear-seat outlets
2022 GMC Sierra 3500 AT4 comfort

AVAILABLE BOSE PREMIUM SOUND SYSTEM

The Bose Premium Sound System supplies seven well-placed speakers along with a Richbass woofer to produce powerful, high-quality concert-like sound wherever you go.

2022 GMC Sierra 3500 AT4 comfort

AVAILABLE 15" DIAGONAL HEAD-UP DISPLAY

The multicolor 15" diagonal Head-Up Display (a first in the heavy-duty pickup class) helps you keep your eyes on the road by projecting directly onto the windshield key information such as: Speed, tachometer, mobile alerts, available navigation, Forward Collision Alert, Lane Departure Warning, cruise control and more.

2022 GMC Sierra 3500 AT4 comfort

SPACIOUS CENTER CONSOLE

Lighted center console storage with available console-mounted safe accessory, and large lower lockable glove box and upper glove box.

2022 GMC Sierra 3500 AT4 SAFETY & WARRANTY Safety Icon

PRO GRADE PROTECTION

Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:

  • 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
  • 5-year / 60,000-mile Powertrain Limited Warranty
  • 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
  • 3-year / 36,000-mile Corrosion Protection
  • 6-year / 100,000-mile Rust-Through Protection
  • First maintenance visit
2022 GMC Sierra 3500 AT4 Safety Main Img
2022 GMC Sierra 3500 AT4 safety

AVAILABLE FRONT AND REAR PARK ASSIST

Front and Rear Park Assist can provide distance alerts to nearby detected objects in front of or behind your truck to help you park and avoid collisions at low speeds. Available on Sierra HD Pro, SLE, SLT and AT4. Standard on Denali.

2022 GMC Sierra 3500 AT4 safety

AVAILABLE LANE DEPARTURE WARNING

Can alert you if you might be unintentionally drifting out of detected lane lines so you can quickly take action. It will not alert you if you’re using your turn signal or it detects you may be intentionally leaving your lane. Available on SLE, SLT and AT4. Standard on Denali.

2022 GMC Sierra 3500 AT4 safety

AVAILABLE REAR CAMERA MIRROR

The available Rear Camera Mirror uses a camera to provide you a wide and less obstructed view behind the vehicle while you’re driving. You can switch between the camera view and a traditional rearview mirror.

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