See Why GMC's AT4 Lineup Is Gaining Traction in Rockville

The GMC Sierra's AT4 trim has become so popular that it's now being expanded to include GMC’s entire portfolio of trucks and SUVs. People in Rockville who enjoy exploring rocky landscapes will prefer AT4 models, which have skid plates and two-speed transfer cases for enhanced capability. AT4 trims also have special exterior and interior styling, and Gaithersburg drivers can find them at Fitzgerald Buick GMC.

GMC AT4 Trucks

The GMC Sierra was first to receive the AT4 treatment, as it started becoming available with a two-inch suspension lift, Rancho monotube shocks, and a terrain-selectable traction control system a couple of years ago. Washington, DC drivers will also like the Sierra's MultiPro Tailgate, which can be configured and positioned in multiple ways for a variety of usages. Available in both the GMC Sierra 1500 and in GMC Sierra HD models, the AT4 trim is more capable and better appointed the lower GMC truck trims.

The GMC Canyon AT4 looks rugged, with its larger grille; unique 17-inch wheels; 31-inch Goodyear Wrangler DuraTrec all-terrain tires; and red tow hooks in front. People in Clarksville will appreciate the Canyon AT4's off-road-tuned suspension for solid footing on most any landscape.

GMC AT4 SUVs

The GMC Acadia AT4 comes standard with a 310-horsepower V6 engine and GMC’s Advanced Twin-Clutch all-wheel drive system. Rockville drivers will like that GMC added a new off-road mode for the Acadia AT4's Traction Select system.

For a bigger SUV, the GMC Yukon AT4 is both luxurious and capable. People in Gaithersburg will appreciate its standard heated steering wheel, heated second-row seats, and power-folding third-row seats. The Yukon AT4 also comes with four-wheel drive, a two-speed transfer case, and hill descent control.

For the first time, GMC will be offering the AT4 trim in its compact Terrain SUV. Expected to be released later this year, the new GMC Terrain AT4 will have more rugged styling and an underbody skid plate to improve its off-road chops.

GMC AT4 models have upscale interiors, tough exteriors, and robust off-road skills. Stop by Fitzgerald Buick GMC in Rockville to experience GMC AT4 quality firsthand.