YUKON XL POWERTRAIN & CHASSIS
3/4 Ton
1/2 Ton
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| Powertrain | 5.3L Vortec V8 engine 2WD | 5.3L Vortec V8 SFI FlexFuel engine 4WD |
| Horsepower @ RPM | 320 @ 5400 | 320 @ 5400 |
| Torque @ RPM | 335 @ 4000 | 335 @ 4000 |
| Fuel Type | Gas/Ethanol V8 | Gas/Ethanol V8 |
| Transfer Case, Automatic | N/A | Standard |
| Autotrac active, 2-speed transfer case | N/A | Available |
| Rear axle, 3.08 ratio | Standard | Standard |
| Rear axle, 3.42 ratio | Available | Available |
| Differential, Locking Rear | Standard | Standard |
| Fuel Economy | 5.3L Vortec V8 engine 2WD | 5.3L Vortec V8 SFI FlexFuel engine 4WD |
| City (MPG) | 15 MPG | 15 MPG |
| Highway (MPG) | 21 MPG | 21 MPG |
| Fuel Tank Capacity (gal.) | 31.0 gal | 31.0 gal |
| Steering Suspension | 5.3L Vortec V8 engine 2WD | 5.3L Vortec V8 SFI FlexFuel engine 4WD |
| StabiliTrak | Standard | Standard |
| Front Suspension | Coil-Over Shock | Coil-Over Shock |
| Rear Suspension | Multi-link | Multi-link |
| Trailering Equipment | Standard | Standard |
| HD Trailering Package | Available | Available |
| HD Suspension Package | N/A | N/A |
| Suspension Package | Available | Available |
| Turning Diameter (ft.) | 43.0 ft | 43.0 ft |
| Brakes | 5.3L Vortec V8 engine 2WD | 5.3L Vortec V8 SFI FlexFuel engine 4WD |
| Antilock Brakes, 4-Wheel Disc | 4-Wheel | 4-Wheel |