Specs - 2006 GMC Envoy XL Technical Specifications
| Brakes | Denali | SLE | SLT |
|---|
| Brake ABS System | 4-Wheel | 4-Wheel | 4-Wheel |
| Disc - Front (Yes or ) | Yes | Yes | Yes |
| Disc - Rear (Yes or ) | Yes | Yes | Yes |
| Front Brake Rotor Diam x Thickness (in) | 12.8 x 1.14 | 12.8 x 1.14 | 12.8 x 1.14 |
| Rear Brake Rotor Diam x Thickness (in) | 12.8 x 0.78 | 12.8 x 0.78 | 12.8 x 0.78 |
| Cargo Area Dimensions | Denali | SLE | SLT |
|---|
| Cargo Box Width @ Wheelhousings (in) | 45.4 | 45.4 | 45.4 |
| Cargo Volume to Seat 1 (ft³) | 107.4 | 107.4 | 107.4 |
| Cargo Volume to Seat 2 (ft³) | 66.5 | 66.5 | 66.5 |
| Cargo Volume to Seat 3 (ft³) | 23.4 | 23.4 | 23.4 |
| Engine | Denali | SLE | SLT |
|---|
| Displacement | 5.3L/325 | 4.2L/254 | 4.2L/254 |
| Engine Type | Gas V8 | Gas I6 | Gas I6 |
| SAE Net Horsepower @ RPM | 300 @ 5200 | 291 @ 6000 | 291 @ 6000 |
| SAE Net Torque @ RPM | 330 @ 4000 | 277 @ 4800 | 277 @ 4800 |
| Exterior Dimensions | Denali | SLE | SLT |
|---|
| Height, Overall (in) | 75.5 | 75.5 | 75.5 |
| Wheelbase (in) | 129.0 | 129.0 | 129.0 |
| Width, Max w/o mirrors (in) | 74.7 | 74.7 | 74.7 |
| Fuel Tank | Denali | SLE | SLT |
|---|
| Fuel Tank Capacity, Approx (gal) | 25.0 | 25.0 | 25.0 |
| Steering | Denali | SLE | SLT |
|---|
| Steering Type | Pwr Rack & Pinion | Pwr Rack & Pinion | Pwr Rack & Pinion |
| Turning Diameter - Curb to Curb (ft) | 41.3 | 41.3 | 41.3 |
| Tires | Denali | SLE | SLT |
|---|
| Front Tire Size | P245/60R18 | P245/65R17 | P245/65R17 |
| Rear Tire Size | P245/60R18 | P245/65R17 | P245/65R17 |
| Transmission | Denali | SLE | SLT |
|---|
| Drivetrain | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Trans Description Cont. | Automatic w/OD | Automatic w/OD | Automatic w/OD |
| Trans Type | 4 | 4 | 4 |
| Vehicle | Denali | SLE | SLT |
|---|
| Front Head Room (in) | 40.2 | 40.2 | 40.2 |
| Front Leg Room (in) | 41.4 | 41.4 | 41.4 |
| Front Shoulder Room (in) | 58.5 | 58.5 | 58.5 |
| Passenger Capacity | 7 | 7 | 7 |
| Second Head Room (in) | 39.6 | 39.6 | 39.6 |
| Second Leg Room (in) | 37.0 | 37.0 | 37.0 |
| Second Shoulder Room (in) | 58.5 | 58.5 | 58.5 |