2025 GMC Yukon AT4 Ultimate
The 2025 GMC Yukon AT4 Ultimate is a 420-hp 6.2-liter V8 with a 10-speed automatic and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 6.2L EcoTec3 V8 OHV |
| Displacement | 6.2 L |
| Horsepower | 420 hp |
| Torque | 460 lb-ft |
| Valvetrain | Overhead valve, 2 valves per cylinder, variable valve timing |
| Bore and Stroke | 103.25 x 92 |
| Injection Type | Direct high-pressure fuel injection with Dynamic Fuel Management |
| Drivetrain | |
| Drive Type | 4WD |
| Transmission | |
| Transmission | 10-speed automatic |
| Final Drive | 3.23 |
| Fuel Economy | |
| Recommended Fuel | Premium recommended |
| Suspension | |
| Front Suspension | Independent coil-over-shocks and stabilizer bar; available four-corner air control and Magnetic Ride Control |
| Rear Suspension | Independent multi-link with coil-over shocks and stabilizer bar; available four-corner air control and Magnetic Ride Control |
| Brakes | |
| Front Brake Disc | 13.5 x 1.2 in (343 x 30.4 mm) ventilated disc |
| Rear Brake Disc | 13.6 x 1.0 in (345 x 20.0 mm) ventilated disc |
| Tires & Wheels | |
| Wheels Front | 20-in. aluminum |
| Wheels Rear | 20-in. aluminum |
| Tires Front | 275/60R20 |
| Tires Rear | 275/60R20 |
| Dimensions & Weight | |
| Length | 210.5 in |
| Width | 81 in |
| Height | 76.3 in |
| Wheelbase | 120.9 in |
| Front Track | 68.4 in |
| Rear Track | 68.1 in |
| Ground Clearance | 8 in |
| Cargo Volume | 122.9 ft³ |
| Curb Weight | 5,602 lbs |
| Interior | |
| Headroom Front | 42.3 in |
| Headroom Rear | 38.9 in |
| Legroom Front | 44.5 in |
| Legroom Rear | 42 in |
| Shoulder Room Front | 65.5 in |
| Shoulder Room Rear | 62.7 in |
| Hip Room Front | 61.5 in |
| Hip Room Rear | 61.3 in |