2008 Hummer H3 vs. 2003 Porsche Cayenne
To start off, 2008 Hummer H3 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 5,328 cc (8 cylinders), 2008 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Hummer H3 (300 HP @ 5200 RPM) has 54 more horse power than 2003 Porsche Cayenne. (246 HP @ 6000 RPM). In normal driving conditions, 2008 Hummer H3 should accelerate faster than 2003 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, 2008 Hummer H3 (435 Nm @ 4000 RPM) has 115 more torque (in Nm) than 2003 Porsche Cayenne. (320 Nm @ 2500 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne.
Compare all specifications:
| 2008 Hummer H3 | 2003 Porsche Cayenne | |
| Make | Hummer | Porsche |
| Model | H3 | Cayenne |
| Year Released | 2008 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5328 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 246 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 435 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4750 mm | 4790 mm |
| Vehicle Width | 2180 mm | 1930 mm |
| Vehicle Height | 1860 mm | 1710 mm |
| Wheelbase Size | 2850 mm | 2860 mm |
| Fuel Consumption Highway | 14.7 L/100km | 10.6 L/100km |
| Fuel Consumption City | 18.1 L/100km | 17.8 L/100km |
| Fuel Consumption Overall | 16.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 87 L | 92 L |
