2009 Hummer H3 vs. 2007 Hummer H2
To start off, 2009 Hummer H3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Hummer H2. In addition, the cost of maintenance, including insurance, on 2007 Hummer H2 would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (363 HP @ 5200 RPM) has 37 more horse power than 2007 Hummer H2. (326 HP @ 5200 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 2007 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. 2007 Hummer H2 has automatic transmission and 2009 Hummer H3 has manual transmission. 2009 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H3 | 2007 Hummer H2 | |
| Make | Hummer | Hummer |
| Model | H3 | H2 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 363 HP | 326 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Engine Compression Ratio | 9.9:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 2000 mm | 2070 mm |
