2009 Hummer H2 vs. 2009 Porsche Cayman
To start off, both 2009 Hummer H2 and 2009 Porsche Cayman were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 102 more horse power than 2009 Porsche Cayman. (291 HP @ 6250 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2009 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1478 kg more than 2009 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Porsche Cayman. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H2 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, 2009 Hummer H2 (564 Nm @ 4300 RPM) has 224 more torque (in Nm) than 2009 Porsche Cayman. (340 Nm @ 4400 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman. 2009 Hummer H2 has automatic transmission and 2009 Porsche Cayman has manual transmission. 2009 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H2 | 2009 Porsche Cayman | |
| Make | Hummer | Porsche |
| Model | H2 | Cayman |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 6199 cc | 3385 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 393 HP | 291 HP |
| Engine RPM | 5700 RPM | 6250 RPM |
| Torque | 564 Nm | 340 Nm |
| Torque RPM | 4300 RPM | 4400 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1425 kg |
| Vehicle Length | 4830 mm | 4350 mm |
| Vehicle Width | 2070 mm | 1310 mm |
| Vehicle Height | 2020 mm | 1810 mm |
| Wheelbase Size | 3130 mm | 2420 mm |
| Fuel Consumption Overall | 15.7 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 121 L | 64 L |
