2007 Hummer H2 vs. 2009 Hummer H3
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 5,998 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 83 more horse power than 2009 Hummer H3. (242 HP @ 5600 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 703 kg more than 2009 Hummer H3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Hummer H2 (495 Nm @ 4000 RPM) has 167 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3. 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:
| 2007 Hummer H2 | 2009 Hummer H3 | |
| Make | Hummer | Hummer |
| Model | H2 | H3 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3651 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 242 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 495 Nm | 328 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 101.6 mm | 95.5 mm |
| Engine Stroke Size | 91.9 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2903 kg | 2200 kg |
| Vehicle Length | 4830 mm | 4790 mm |
| Vehicle Width | 2070 mm | 1900 mm |
| Vehicle Height | 2020 mm | 2000 mm |
| Wheelbase Size | 3130 mm | 2850 mm |
| Fuel Consumption Overall | 13.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 121 L | 87 L |
