2025 GMC Hummer EV SUV 3X – Extreme Off-Road Package – Ultium e4WD
This 3X-spec Hummer EV SUV is equipped with the $10k Extreme Off-Road Package and powered by GM’s Ultium Drive e4WD system, delivering all-wheel traction via a single-motor front unit with an electronic locking differential and a dual-motor rear axle with virtual locking capability. Finished in Interstellar White over Lunar Shadow leather, the truck combines electric performance with next-gen tech and serious off-road capabilities — including CrabWalk four-wheel steering, adaptive air suspension, and Watts to Freedom launch control.
Powertrain & Performance
Ultium e4WD tri-motor setup
Single-motor front (13.3:1 ratio, electronic locking diff)
Dual-motor rear (10.5:1 ratio, virtual locking diff)
Factory-rated 830 horsepower
800V architecture w/ 350kW fast-charging capability
Regenerative braking system
Watts to Freedom launch control mode
Chassis, Suspension & Off-Road Features
Adaptive air-ride suspension
Extreme Off-Road Package
Underbody skid plates
Rocker protection
18″ double six-spoke alloy wheels
Goodyear Wrangler off-road tires
Front and rear recovery hooks
CrabWalk four-wheel steering (rear axle steering up to 10°)
Hitch receiver & fixed aluminum side steps
Exterior Highlights
Interstellar White paint
LED lighting front and rear
Power-operated tailgate
Power eTrunk with 11.3 cu ft of storage
Infinity Roof with removable glass panels & stowable roof storage bin
Interior & Technology
Lunar Shadow leather upholstery