Discover the 2025 GMC AT4 Lineup Built for Off-Road Adventures

Unleashing the Power of the 2025 GMC AT4 Family

NEW VEHICLES INVENTORY  TERRAIN INVENTORY ACADIA INVENTORY YUKON INVENTORY CANYON INVENTORY SIERRA 1500 INVENTORY SIERRA HD INVENTORY

From city streets to rugged trails, the 2025 GMC AT4 lineup offers unmatched off-road performance without compromising refinement. Built to conquer terrain while offering a premium experience, the AT4 trims on Sierra, Terrain, Acadia, Canyon, and Yukon redefine “Professional Grade” for Florida drivers. Each AT4 model brings exclusive equipment, serious capability, and confident styling—tailored for those who demand more from every mile.

What Sets the AT4 Lineup Apart

• AT4-Exclusive Terrain Modes: Custom drive modes for enhanced off-road traction

• Factory Suspension Lifts: Up to 4.5″ of added ground clearance

• Premium All-Terrain Tires: Built-in durability for trails and backroads

• Skid Plates & Recovery Hooks: Ready for serious off-road action

• Advanced Trailering Packages: Up to 21,300 lbs. towing capacity (HD models)

• Luxurious Interiors: AT4-exclusive designs with leather accents

• Multiview Cameras & Off-Road Displays: Monitor every obstacle with ease

Off-Road Ready: 2025 Terrain AT4 and Acadia AT4

The 2025 GMC Terrain AT4 brings bold capability in a compact SUV form. With a lifted stance, steel skid plates, and an AT4-exclusive Terrain Mode, it’s a city-sized SUV that doesn’t back down from nature. Inside, enjoy the intuitive 15″ touchscreen and hands-free liftgate.

Step up to the 2025 GMC Acadia AT4 and enjoy the new 2.5L turbo engine, active torque AWD, and over 15 driver-assist features. The rugged exterior with dark chrome and 18″ all-terrain wheels gives it presence, while the Forest Storm interior adds a refined touch for every Fort Pierce or Melbourne adventure.

Power Meets Versatility: Canyon AT4 and Sierra 1500 AT4

If you need mid-size power, the 2025 GMC Canyon AT4 delivers. A 2″ lift, electronic locking differentials, Baja mode (AT4X), and underbody armor give it true trail capabilities. Inside, find an 11.3″ infotainment system and off-road performance display—ideal for Florida’s backroads.

Need more? The Sierra 1500 AT4 offers a 2″ factory lift, Rancho® shocks, diesel or V8 engines, and MultiPro™ Tailgate. Step up to AT4X for AEV gear, Multimatic DSSV dampers, and 14 camera views for full-size truck command. Port St. Lucie drivers towing boats or trailers will appreciate its 495 lb.-ft. of torque and available 71.7 cu. ft. cargo volume.

Built for Bigger Adventures: Yukon AT4 & Sierra Heavy Duty AT4

For larger families or overlanders, the 2025 GMC Yukon AT4 seats up to eight with trail-focused suspension, high ground clearance, and the premium interior experience of a luxury SUV. Off-road capability meets comfort with heated leather seating, magnetic ride control, and a 16.8″ infotainment display.

At the top of the power spectrum is the Sierra 2500/3500 HD AT4. These heavy-duty beasts come standard with off-road suspension, 20″ wheels, and class-leading towing up to 21,300 lbs. From Melbourne construction sites to off-grid trips, Sierra HD AT4 brings strength, control, and comfort.

Your Off-Road Adventure Begins at Linus Buick GMC

Whether you’re climbing steep trails in Vero Beach or hauling gear across Fort Pierce, the 2025 GMC AT4 lineup is ready. Visit Linus Buick GMC to explore AT4 trims in person. Test drive your favorite model, from the nimble Terrain AT4 to the commanding Sierra HD AT4X. We proudly serve Vero Beach, Port St. Lucie, Melbourne, and Fort Pierce with personalized service and unbeatable GMC expertise. Let’s get you behind the wheel of capability redefined.

📍 Linus Buick GMC – Vero Beach, FL
📞 Call us today to schedule a test drive!