The AT4 trim level is new for 2026, and it’s aimed at buyers who want more clearance and toughness than the standard trim. It’s also a step above the Silverado EV in terms of standard features and ...

This week, I am reviewing the 2026 GMC Sierra EV AT4 Max Range, the toughest-looking and most capable version yet of GMC's all-electric full-size pickup. While it shares its basic architecture with ...

Although we suspect few Terrain AT4 owners will ultimately venture off-road in any real capacity, the AT4 trim is arguably the variant in which all Terrains will derive their credibility. While its ...

GMC pitches the Sierra EV as off-road capable in its AT4 guise, but that proves tricky for this large and heavy truck. Long range, relatively fast charging speeds, the ability to extend its cargo ...