Gmc At4 Vs Denali 2025. The trailering capacity for the at4x drops to 6000 pounds. The gmc at4 subbrand has been quickly expanding ever since it debuted as a trim of the 2019 gmc sierra 1500.in the gmc canyon lineup, the at4 trim replaced.

$51,000 the canyon denali trim justifies its price tag with luxurious features inside and out. Gmc set us up with denali and at4 trims for our drive.