This 2023 GMC Sierra HD AT4 prototype sports a number of interesting details, ... By comparison, the current Sierra HD AT4 wears Michelin all-terrain tires with 18’s as standard, ...

GMC Sierra AT4 Quick Facts; Available Models: Sierra 1500, Sierra HD: Model Year Availability: 2019 – Present: Engine(s) 4.3L LV3 V6, 5.3L L82 V8, 5.3L L84 V8, 6.2L L87 V8, 6.6L L8T V8,6.6L L5P ...

The 2026 GMC Terrain AT4 adds off-road features like all-terrain tires and a skid plate but retains a less refined 1.5-liter turbo engine. It offers enhanced style and features for $39,995, though ...

The GMC Sierra 2500 AT4 doesn't have any of that kit. What it does have that the Power Wagon doesn't is an optional 6.6-liter Duramax diesel engine, the ability to tow a hefty 18,500 pounds, and ...

2024 Ford F-250 Tremor vs. GMC 2500 AT4: Two off-road powerhouses go head-to-head. ... More lift, bigger tires, and advanced off-road tech keep the F-250 Tremor on the right path.

As with high-end Denali models, GMC is treating its AT4 trim like a sub-brand. By the end of this calendar year, AT4 versions of every GMC vehicle will be available, with the Terrain , Canyon and ...

GMC packs the AT4 Yukon with loads of standard features, which include the likes of magnetic ride control, hill descent control, skid plates, 20-inch wheels, and all-terrain tires.

2022 GMC Yukon AT4. 2022 GMC Yukon AT4 with 12-inch Digital Driver Information Center and Google Built-In Infotainment. GMC. ... standard four-wheel drive, all-terrain tires, ...

Michelin said that 200 million tires are "scrapped prematurely" every year because of damage, such as blowouts and irregular wear caused by improper tire pressure.

The AT4 with the Premium Performance package features gloss black 17-inch shod with 31-inch Goodyear Duratrac tires. The look really completes the rugged appearance of the truck.