2009 Hummer H3 vs. 2007 Porsche 911
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 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (409 HP @ 7600 RPM) has 167 more horse power than 2009 Hummer H3. (242 HP @ 5600 RPM) In normal driving conditions, 2007 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 808 kg more than 2007 Porsche 911.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 will offer significantly more control. 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 911 (405 Nm @ 5500 RPM) has 77 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 2007 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 | 2007 Porsche 911 | |
| Make | Hummer | Porsche |
| Model | H3 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3653 cc | 3600 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 409 HP |
| Engine RPM | 5600 RPM | 7600 RPM |
| Torque | 328 Nm | 405 Nm |
| Torque RPM | 4600 RPM | 5500 RPM |
| Engine Compression Ratio | 10.0:1 | 11.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 155 km/hour | 306 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 4.5 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2194 kg | 1386 kg |
| Vehicle Length | 4790 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 2000 mm | 1280 mm |
| Wheelbase Size | 2850 mm | 2360 mm |
| Fuel Consumption Overall | 13.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 87 L | 89 L |
