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 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (350 HP @ 6600 RPM) has 25 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 1428 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, 2007 Hummer H2 (496 Nm @ 4000 RPM) has 96 more torque (in Nm) than 2005 Porsche 911. (400 Nm @ 4600 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
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 | 5999 cc | 3822 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 350 HP |
| Engine RPM | 5200 RPM | 6600 RPM |
| Torque | 496 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 101.6 mm | 99 mm |
| Engine Stroke Size | 91.9 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1475 kg |
| Vehicle Length | 5180 mm | 4440 mm |
| Vehicle Width | 2070 mm | 1860 mm |
| Vehicle Height | 2020 mm | 1310 mm |
| Wheelbase Size | 3120 mm | 2360 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 121 L | 64 L |
