Gmc Denali 2025 Ev Specifications. The sierra ev denali claims an impressive driving range of 440 miles on a single charge, thanks to its max range battery pack (gmc hasn’t yet said exactly what size it is). The motortrend buyer's guide has the 2025 gmc sierra ev specs you need, from dimensions and cargo space to power and mpgs.

The extended range model with 390 miles of range and the max range. Find incentives, rebates, recalls, and warranty.