2009 Hummer H2 vs. 1991 Porsche 911
To start off, 2009 Hummer H2 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 165 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1728 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Hummer H2 (564 Nm @ 4300 RPM) has 278 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2009 Hummer H2 | 1991 Porsche 911 | |
| Make | Hummer | Porsche |
| Model | H2 | 911 |
| Year Released | 2009 | 1991 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 6199 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 393 HP | 228 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 564 Nm | 286 Nm |
| Torque RPM | 4300 RPM | 4800 RPM |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1175 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 2070 mm | 1660 mm |
| Vehicle Height | 2020 mm | 1260 mm |
