2007 Hummer H2 vs. 2005 Porsche 911
To start off, 2007 Hummer H2 is newer by 2 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 5,998 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 120 more horse power than 2007 Hummer H2. (325 HP @ 5200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Hummer H2. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1313 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 (620 Nm @ 3500 RPM) has 125 more torque (in Nm) than 2007 Hummer H2. (495 Nm @ 4000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Hummer H2. 2007 Hummer H2 has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 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 | 2005 Porsche 911 | |
| Make | Hummer | Porsche |
| Model | H2 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5998 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 445 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 495 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 101.6 mm | 100 mm |
| Engine Stroke Size | 91.9 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1590 kg |
| Vehicle Length | 4830 mm | 4440 mm |
| Vehicle Width | 2070 mm | 1840 mm |
| Vehicle Height | 2020 mm | 1300 mm |
| Wheelbase Size | 3130 mm | 2360 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 121 L | 64 L |
