2024 GMC Sierra HD AT4 : The Powerful Off-Roader

The GMC Sierra HD series, which includes the Sierra 2500 HD and Sierra 3500 HD, will have a significant overhaul for the 2024 model year.

A new front fascia, new tail lamps, an upgraded interior, as well as major powertrain and capability changes,

are just a few of the newly revealed improvements. The 2024 GMC Sierra HD AT4 is today's subject of the GM Authority spotlight.

The Sierra HD AT4's exterior features include a revised AT4-specific front grille and fascia, new LED projector headlamps with signature illumination,

a set of red tow (recovery) hooks up front, a spray-on bedliner with the AT4 insignia, and a GMC MultiPro Tailgate.

The truck has 20-inch gloss-black aluminium wheels with BFGoodrich off-road tyres as standard equipment,

as well as an off-road suspension system with heavy-duty shock absorbers and skid plates.