2009 Hummer H3 vs. 2005 Porsche 911
To start off, 2009 Hummer H3 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (321 HP @ 4250 RPM) has 79 more horse power than 2009 Hummer H3. (242 HP @ 5600 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 789 kg more than 2005 Porsche 911.
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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 42 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3.
Compare all specifications:
| 2009 Hummer H3 | 2005 Porsche 911 | |
| Make | Hummer | Porsche |
| Model | H3 | 911 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3653 cc | 3596 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 321 HP |
| Engine RPM | 5600 RPM | 4250 RPM |
| Torque | 328 Nm | 370 Nm |
| Torque RPM | 4600 RPM | 4250 RPM |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Top Speed | 155 km/hour | 285 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 5.3 seconds |
| Drive Type | 4WD | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2194 kg | 1405 kg |
| Vehicle Length | 4790 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 2000 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2360 mm |
| Fuel Consumption Overall | 13.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 87 L | 64 L |
