| Production | 2007-2010 |
| Fuel | Petrol |
| Motor Type | V8 |
| Displacement (cc/Cid) | 5327 / 325 |
| Number of Valves | 16 |
| Power | 300hp / 221kW @ 5200rpm |
| Torque | 434Nm / 320lb ft @ 4000rpm |
| 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) | 474 / 187 |
| Width (cm/inches) | 190 / 75 |
| Height (cm/inches) | 189 / 74 |
| Wheelbase (cm/inches) | 284 / 112 |
| Weight (kg / lbs) | 2206 / 4863 |
| Trunk Volume (dm3 / cu ft (US)) | 835 / 29.5 |
| Tank Capacity (l / gal (US)) | 87 / 23 |
| Tire size | 265/75 R16 |
| Others | ? |
Hummer H3 5.3 GM LH8 Vortec 5300 V8 300hp
