2025 GMC SIERRA HEAVY DUTY

AT4 & AT4X

AT4 STARTING AT:

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AVAILABLE TOW UP TO

9,661 KG (21,300 LBS.)

KEY FEATURES

EXCLUSIVE ON AT4X

FACTORY-INSTALLED 1.5" SUSPENSION LIFT

EXCLUSIVE ON AT4X

MULTIMATIC DSSV DAMPERS

STANDARD ON AT4

OFF-ROAD SUSPENSION WITH RANCHO® SHOCKS

EXCLUSIVE ON AT4X

35" GOODYEAR® TERRITORY MT TIRES

EXCLUSIVE ON AT4X

OBSIDIAN RUSH INTERIOR WITH FULL-GRAIN LEATHER SEATING

STANDARD ON AT4

13.4" DIAGONAL TOUCHSCREEN IS THE LARGEST IN ITS CLASS

CURRENT OFFERS

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EXPLORE GMC SIERRA HD AT4 & AT4X TRIMS

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AT4 

STARTING AT:

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AVAILABLE TOW UP TO 9,661 KG (21,300 LBS.)

KEY FEATURES:

  • Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
  • Exclusive 20" gloss-black aluminum wheels with available BFGoodrich® off-road tires
  • Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
  • Up to 14 available camera views with HD Surround Vision
  • Adaptive Cruise Control

AVAILABLE FEATURES 

  • 15" diagonal Head-Up Display with off-road inclinomete