The AT4 will be the highest-riding Sierra, with 2 inches of additional lift thanks to lifted coil suspension and new 35-inch ...
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What Does AT4 Mean On GMC Trucks? Here's What The Package IncludesWhen you want to go off-road, uptown-style, GMC supports ... The suspension, differential, and tires are built to handle rocks, gravel, mud, and snow. If that weren't enough, the AT4 trims are ...
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MotorTrend on MSN2026 GMC Sierra EV Pickup Truck Gets More Off-Road-Friendly AT4 Trim, Lower PriceWe’re finally starting to see some 2025 GMC Sierra EVs on the road, and now GM's luxury and upmarket truck and SUV brand is ...
Redesigned last year, the current AT4 delivers everything anyone ever liked about vehicles of this type - for over 100K.
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