2026 GMC Sierra Denali vs AT4
The AT4 starts at $67,000, $900 more than the Denali ($66,100). For that you get: diesel version available; better fuel economy: up to 23 MPG (vs 18); 3.0″ more ground clearance.
What the AT4 adds for $900 more
- Diesel version available
- Better fuel economy: up to 23 MPG (vs 18)
- 3.0″ more ground clearance
What it gives up
- No RWD version
- About 610 lb heavier
| Spec | Denali | AT4 |
|---|---|---|
| Price (MSRP) | $66,100–$69,900 | $67,000–$67,500 |
| Engines | 5.3L V8 (355 hp) | 3.0L I6 diesel (305 hp) |
| Drive | RWD, 4WD | 4WD |
| MPG (combined) | 17–18 | 23 |
| Towing (max) | 9,200 lb | 9,000 lb |
| Seats | 5 | 5 |
| Upholstery | premium leather | leather |
| Paint colors | 6 | 6 |
| Curb weight (from) | 4,890 lb | 5,500 lb |
| Ground clearance | 8.1″21 cm | 11.1″28 cm |
2026 model year, manufacturer's suggested retail prices before destination fees, taxes and options. Ranges cover every configuration of the trim.
More Sierra trim comparisons
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