Heavy-duty trucks are special-purpose tools designed to tow immense loads and haul mountains of stuff in all kinds of conditions. Like other HD pickups, the 2021 GMC Sierra 2500 AT4’s general lack of refinement, low fuel efficiency and ponderous dynamics make living with it day to day a challenge if you don’t need the vast capability it offers.
- Towing and hauling capability
- Refined powertrain
- Ingenious tailgate
- Lackluster performance
- Same old interior
- Brash styling
Providing a bit of extra style and off-road capability, the Sierra 2500 AT4 models feature dark chrome exterior accents, body-color bumpers and a bold grille design. The standard bright-red recovery hooks look great and should be super useful on the trail. Ensuring this truck can take you out into the wilderness, it comes with Rancho shocks, a locking rear differential and standard 18-inch wheels with Michelin all-terrain tires, though this example rolls on swanky 20-inch rims.
Bigger isn’t always better
With a crew-cab body and off-road suspension, this Sierra is enormous, about a trailer hitch short of 21 feet in length, and that’s with just the 82-inch, standard-length bed. Its elevated cab gives you