Sitting just below the AT4X model, the new 2023 GMC Sierra AT4 pickup truck has some serious off-road equipment. According to GMC, the forthcoming truck can be selected in a few configurations depending on the size of the bed.
On top of that, there are two engine choices under the hood. It can be got with either a 3.0-liter Duramax diesel that’s good for 277 hp and 460 lb-ft of torque, or a powerful 6.2-liter V8, producing 420 horsepower and 460 lb-ft of torque. If you didn’t know, the AT4 model is at the same level with the best-known models in this class, the Toyota Tundra TRD Pro and the Ford F-150 Raptor.

2023 GMC Sierra AT4 Design
The new 2023 GMC Sierra 1500 AT4 is an attractive and bold truck that’s known for its off-road capability. Three cab choices offer the Sierra truck a Crew Cab, Double Cab and Regular Cab.
However, the AT4 pickup only comes as a Crew Cab. With this model you can also get either a 69.9-inch short truck bed or a 79.4-inch standard truck bed. Unlike the regular Sierra, the AT4 wears black chrome grille, skid plates, red recovery hooks, and stylish 20-inch 6-spoke Carbon Grey painted aluminum wheels.
Interior
Inside, the 2023 looks very stylish and sporty. There is more space than you can think about it. So, this truck offers five passenger seats and great headroom and legroom. Also, you will find more cargo volume than any truck competitor. According to GMC, there is exactly 71.7 cubic feet.
On the technology side, the GMC Sierra AT4 comes with the latest infotainment system of 7-inch or 8-inch diagonal touchscreen and voice recognition. Plenty of connectivity is available, and you can count on Apple CarPlay and Android Auto, Wireless Phone conectivity, Navigation, and a Wi-Fi hotspot. These tech features can be paired with either a multicolor or a multicolor.

2023 GMC Sierra AT4 Engine, Towing Capacity
As we said, the new 2023 GMC Sierra AT4 is a pickup truck that will be available with two engine choices. You can get a base model that uses a 6.2-liter V8, which is capable to deliver 420 horsepower and 460 lb-ft. If we look at competitors, this engine is strong enough to compete with the Ford Raptor and its engine that makes 450 hp and 510 lb-ft.
However, both engines are very thirsty, especially with all the off-road package adds. A ten-speed automatic transmission is available as an only option. The next engine is economical, and it consists of a 3.0-liter Duramax, which is good for 277 hp and 460 lb-ft of torque. The GMC Sierra 1500 AT4 is also a great hauler with a 2,140-pound payload and tow up to 9,200 pounds.

2023 GMC Sierra AT4 Price, Release Date
As far as we know, the 2023 GMC Sierra AT4 Crew Cab with a Short Box powered by a diesel will cost around $59,000. However, a mightier V8 petrol is an upgrade that costs $1,500. The price will go up depending on the equipment, and buyers can get unique optional packages like the Premium and Preferred.
The new GMC Sierra AT4 should go on sale later this year, and we cannot wait to see some comparisons with the other rivals.