2026 GMC Sierra 4WD At4X vs Chevrolet Silverado 2WD M5 — Side by Side Comparison
How does the 2026 GMC Sierra 4WD At4X compare to the Chevrolet Silverado 2WD M5? We put them side by side using EPA fuel economy data and NHTSA safety ratings.
Specifications Comparison
| Feature | GMC Sierra 4WD At4X | Chevrolet Silverado 2WD M5 |
|---|---|---|
| Combined MPG | 19 | 19 |
| City MPG | 19 | 17 |
| Highway MPG | 20 | 21 |
| Body Style | Truck | Truck |
| Drive | 4WD | RWD |
| Fuel Type | Premium | Regular |
| Safety Rating | N/A / 5 | N/A / 5 |
| Recalls | 0 | 0 |
| Trims Available | 2 | 1 |
Fuel Economy
The Chevrolet Silverado 2WD M5 is more fuel efficient by 0 MPG combined. Over a year, the Chevrolet Silverado 2WD M5 saves approximately $1,600 in fuel costs.