2005 Hummer H2 vs. 2006 Hummer H1
To start off, 2006 Hummer H1 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Hummer H2. In addition, the cost of maintenance, including insurance, on 2005 Hummer H2 would be higher. At 6,604 cc (8 cylinders), 2006 Hummer H1 is equipped with a bigger engine. In terms of performance, 2005 Hummer H2 (325 HP) has 25 more horse power than 2006 Hummer H1. (300 HP). In normal driving conditions, 2005 Hummer H2 should accelerate faster than 2006 Hummer H1. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H1 weights approximately 369 kg more than 2005 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. Let's talk about torque, 2006 Hummer H1 (705 Nm) has 209 more torque (in Nm) than 2005 Hummer H2. (496 Nm). This means 2006 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2005 Hummer H2.
Compare all specifications:
| 2005 Hummer H2 | 2006 Hummer H1 | |
| Make | Hummer | Hummer |
| Model | H2 | H1 |
| Year Released | 2005 | 2006 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 6604 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 325 HP | 300 HP |
| Torque | 496 Nm | 705 Nm |
| Engine Bore Size | 102 mm | 103.1 mm |
| Engine Stroke Size | 92 mm | 99.1 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 3272 kg |
| Vehicle Length | 4830 mm | 4690 mm |
| Vehicle Width | 2070 mm | 2200 mm |
| Vehicle Height | 1980 mm | 2010 mm |
| Wheelbase Size | 3130 mm | 3310 mm |
| Fuel Tank Capacity | 121 L | 195 L |
