2007 Citroen C6 vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Citroen C6. In addition, the cost of maintenance, including insurance, on 2007 Citroen C6 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 192 more horse power than 2007 Citroen C6. (201 HP @ 4200 RPM) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2007 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1033 kg more than 2007 Citroen C6. 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 2007 Citroen C6. 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 123 more torque (in Nm) than 2007 Citroen C6. (441 Nm @ 1900 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C6.
Compare all specifications:
| 2007 Citroen C6 | 2009 Hummer H2 | |
| Make | Citroen | Hummer |
| Model | C6 | H2 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2720 cc | 6199 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 393 HP |
| Engine RPM | 4200 RPM | 5700 RPM |
| Torque | 441 Nm | 564 Nm |
| Torque RPM | 1900 RPM | 4300 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1870 kg | 2903 kg |
| Vehicle Length | 4910 mm | 4830 mm |
| Vehicle Width | 1870 mm | 2070 mm |
| Vehicle Height | 1470 mm | 2020 mm |
| Wheelbase Size | 2910 mm | 3130 mm |
| Fuel Consumption Overall | 8.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 72 L | 121 L |
