Contact Hall Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 1500 AT4. This GMC includes: TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED Transmission w/Dual Shift Mode A/T 10-Speed A/T ACTIVE EXHAUST, DUAL, SPORT-MODE ENABLED ONYX BLACK SUNROOF, POWER Generic Sun/Moonroof Sun/Moonroof REAR AXLE, 3.23 RATIO TIRES, LT265/60R20 BLACKWALL GOODYEAR WRANGLER TERRITORY MT Conventional Spare Tire Tires - Rear On/Off Road Tires - Front On/Off Road EMISSIONS, FEDERAL REQUIREMENTS TECHNOLOGY PACKAGE Back-Up Camera Heads-Up Display ENGINE, 6.2L ECOTEC3 V8 8 Cylinder Engine Gasoline Fuel AT4 PREMIUM PACKAGE Running Boards/Side Steps ASSIST HANDLE, SIDE GVWR, 7100 LBS Note - For third party subscriptions or services, please contact the dealer for more information. This GMC Sierra 1500 AT4 comes equipped with 4 wheel drive, which means no limitations as to how or where you can drive. Different terrains and varying weather conditions will have no effect as to how this vehicle performs. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 1500 AT4 will definitely turn heads. You can finally stop searching... You've found the one you've been looking for.