2025 GMC Sierra 1500 Denali
The 2025 GMC Sierra 1500 Denali is a 355-hp 5.3-liter V8 with a 10-speed automatic and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 5.3L V8 OHV |
| Displacement | 5.3 L |
| Horsepower | 355 hp @ 5,600 rpm |
| Torque | 383 lb-ft @ 4100 rpm (SAE certified) rpm |
| Valvetrain | OHV, 2 valves/cyl, variable valve timing, Dynamic Fuel Management |
| Bore and Stroke | 96 x 92 |
| Compression Ratio | Cast aluminum block and cylinder head |
| Injection Type | Direct high-pressure fuel injection with Dynamic Fuel Management |
| Drivetrain | |
| Drive Type | 4WD |
| Differential Type | 3.23 axle ratio |
| Transmission | |
| Transmission | 10-speed automatic (10L80) |
| 1st Gear | 4.7 |
| 2nd Gear | 2.99 |
| 3rd Gear | 2.15 |
| 4th Gear | 1.77 |
| 5th Gear | 1.52 |
| 6th Gear | 1.28 |
| 7th Gear | 1 |
| 8th Gear | 0.85 |
| 9th Gear | 0.69 |
| 10th Gear | 0.64 |
| Reverse | 4.87 |
| Fuel Economy | |
| City | 16 MPG |
| Highway | 20 MPG |
| Recommended Fuel | Regular unleaded |
| Suspension | |
| Front Suspension | Independent coil-over-shock with twin-tube shock absorbers |
| Rear Suspension | Solid axle with semi-elliptic variable-rate two-stage multileaf springs, splayed twin-tube shock absorbers |
| Brakes | |
| Front Brake Calipers | Four-wheel disc with electro-hydraulic power assist and ABS |
| Front Brake Disc | Vented Duralife rotor, 13.0 x 1.18 in (330 x 30 mm) |
| Rear Brake Disc | Vented Duralife rotor, 13.6 x 0.79 in (345 x 20 mm) |
| Tires & Wheels | |
| Wheels Front | 20-in. x 9-in. aluminum |
| Wheels Rear | 20-in. x 9-in. aluminum |
| Tires Front | P275/60R20 all-season |
| Tires Rear | P275/60R20 all-season |
| Dimensions & Weight | |
| Length | 231.9 in |
| Width | 81.2 in |
| Height | 75.5 in |
| Wheelbase | 147.4 in |
| Ground Clearance | 8 in |
| Curb Weight | 5,070 lbs |
| Interior | |
| Headroom Front | 43 in |
| Headroom Rear | 40.1 in |
| Legroom Front | 44.5 in |
| Legroom Rear | 43.4 in |
| Shoulder Room Front | 66 in |
| Shoulder Room Rear | 65.1 in |
| Hip Room Front | 61.2 in |
| Hip Room Rear | 60.2 in |