2007 GMC Sierra vs. 2008 Hummer H2
To start off, 2008 Hummer H2 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 6,199 cc (8 cylinders), 2008 Hummer H2 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 347 kg more than 2008 Hummer H2.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 2007 GMC Sierra | 2008 Hummer H2 | |
| Make | GMC | Hummer |
| Model | Sierra | H2 |
| Year Released | 2007 | 2008 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 6199 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 312 HP | 0 HP |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2678 kg | 2331 kg |
| Vehicle Length | 5720 mm | 5180 mm |
| Vehicle Width | 2440 mm | 2070 mm |
| Vehicle Height | 1930 mm | 2020 mm |
| Wheelbase Size | 3380 mm | 3130 mm |
