2009 Hummer H2 vs. 2007 Hummer H3
To start off, 2009 Hummer H2 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Hummer H3. In addition, the cost of maintenance, including insurance, on 2007 Hummer H3 would be higher. At 6,198 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 151 more horse power than 2007 Hummer H3. (242 HP @ 5600 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2007 Hummer H3.
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, 2009 Hummer H2 (563 Nm @ 4300 RPM) has 235 more torque (in Nm) than 2007 Hummer H3. (328 Nm @ 4600 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2007 Hummer H3. 2009 Hummer H2 has automatic transmission and 2007 Hummer H3 has manual transmission. 2007 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H2 | 2007 Hummer H3 | |
| Make | Hummer | Hummer |
| Model | H2 | H3 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 6198 cc | 3699 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 393 HP | 242 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 563 Nm | 328 Nm |
| Torque RPM | 4300 RPM | 4600 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4830 mm | 4750 mm |
| Vehicle Width | 2070 mm | 2180 mm |
| Vehicle Height | 2020 mm | 1900 mm |
| Wheelbase Size | 3130 mm | 2850 mm |
