| Production | 2005-2006 |
| Fuel | Petrol |
| Motor Type | 6 cyl |
| Displacement (cc/Cid) | 4157 / 254 |
| Number of Valves | 12 |
| Power | 291hp / 214kW @ 6000rpm |
| Torque | 376Nm / 277lb ft @ 4800rpm |
| Layout | 4 Wheel Drive |
| Gearbox | Automatic |
| Number of gears (transmission) | 4 |
| Top Speed (km/h / mph) | ? |
| Acceleration (0 to 100km/h / 0 to 60mph) | ? |
| Fuel consumption extra-urban/highway (l/100km / mpg(US)) | ? |
| Fuel consumption urban/city (l/100km / mpg(US)) | ? |
| Fuel consumption mixed (l/100km / mpg(US)) | ? |
| Length (cm/inches) | 528 / 208 |
| Width (cm/inches) | 190 / 75 |
| Height (cm/inches) | 193 / 76 |
| Wheelbase (cm/inches) | 328 / 129 |
| Weight (kg / lbs) | 2253 / 4967 |
| Trunk Volume (dm3 / cu ft (US)) | 663 / 23.4 |
| Tank Capacity (l / gal (US)) | 95 / 25.1 |
| Tire size | 245/65 R17 |
| Others | ? |
GMC Envoy XL 4.2 GM LL8 Vortec 4200 291hp
