2026 GMC Sierra EV AT4 vs Denali: Trim Comparison
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The AT4 features a two-inch lift, while the Denali utilizes Air Ride Adaptive Suspension. These premium trims offer distinct capabilities to match your specific driving environment. Discover which suspension fits your lifestyle by browsing our live electric vehicle inventory today.
Choosing the right electric truck requires understanding how you will deploy its massive power. The AT4 is heavily biased toward aggressive trail riding, while the Denali represents the absolute peak of on-road luxury and towing stability. To explore standard cabin technology and battery configurations across both models, review our complete 2026 GMC Sierra EV breakdown.
Suspension and Ground Clearance
The most significant physical difference between these trucks is their suspension architecture. The AT4 utilizes heavy-duty tuned coil springs and a factory-installed two-inch lift. This creates approximately ten inches of maximum ground clearance. For the everyday buyer, this means you can confidently drive over deep ruts, rocks, or large snowbanks without damaging the vulnerable undercarriage.
The Denali focuses on smooth, adaptable riding. It features the Air Ride Adaptive Suspension, which uses air compressors to actively adjust the shock absorbers based on road conditions. This technology automatically levels the truck when you hook up a heavy trailer, preventing the rear end from sagging and keeping your headlights pointed safely at the road. You can review the official capabilities of this system on the GMC Sierra EV Denali portal.
Wheels and Powertrain Configuration
Both trims feature the incredibly powerful dual-motor e4WD system, delivering up to 760 horsepower, when properly equipped.
The AT4 pairs this off-road power with 35-inch all-terrain tires. The aggressive tread pattern grips loose mud and gravel, ensuring you never lose traction on unpaved Mower County job sites. Conversely, the Denali rides on massive 24-inch alloy wheels wrapped in all-season tires. This low-profile setup maximizes highway driving range and provides incredibly responsive steering for daily city driving.
Side-by-Side Specifications
The following table compares the distinct physical equipment packages for both electric trucks.
| Specification | Sierra EV AT4 | Sierra EV Denali |
|---|---|---|
| Suspension Type | Tuned Coil Springs | Air Ride Adaptive Suspension |
| Factory Lift | 2 Inches | None (Adjustable Height) |
| Tire Size | 35-Inch All-Terrain | 24-Inch All-Season |
| Max Horsepower | Up to 760 hp | Up to 760 hp |
| 4-Wheel Steer | Standard | Standard |
| (Note: Maximum horsepower and capabilities are achieved when properly equipped). | ||
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone