2009 Hummer H3 vs. 2007 Porsche Cayenne
To start off, 2009 Hummer H3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2007 Porsche Cayenne would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (287 HP @ 6200 RPM) has 45 more horse power than 2009 Hummer H3. (242 HP @ 5600 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 34 kg more than 2007 Porsche Cayenne.
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 Porsche Cayenne (385 Nm @ 3000 RPM) has 57 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3.
Compare all specifications:
| 2009 Hummer H3 | 2007 Porsche Cayenne | |
| Make | Hummer | Porsche |
| Model | H3 | Cayenne |
| Year Released | 2009 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 3598 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 287 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 328 Nm | 385 Nm |
| Torque RPM | 4600 RPM | 3000 RPM |
| Engine Compression Ratio | 10.0:1 | 12.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 155 km/hour | 227 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 8.1 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2194 kg | 2160 kg |
| Vehicle Length | 4790 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 2000 mm | 1710 mm |
| Wheelbase Size | 2850 mm | 2860 mm |
| Fuel Consumption Overall | 13.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 87 L | 100 L |
