2007 Citroen C6 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra 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 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (403 HP @ 5700 RPM) has 202 more horse power than 2007 Citroen C6. (201 HP @ 4200 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2007 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 789 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 GMC Sierra 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 GMC Sierra 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 GMC Sierra (565 Nm @ 4300 RPM) has 124 more torque (in Nm) than 2007 Citroen C6. (441 Nm @ 1900 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C6.
Compare all specifications:
| 2007 Citroen C6 | 2009 GMC Sierra | |
| Make | Citroen | GMC |
| Model | C6 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Pickup |
| 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 | 403 HP |
| Engine RPM | 4200 RPM | 5700 RPM |
| Torque | 441 Nm | 565 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 | 2659 kg |
| Vehicle Length | 4910 mm | 5850 mm |
| Vehicle Width | 1870 mm | 2040 mm |
| Vehicle Height | 1470 mm | 1880 mm |
| Wheelbase Size | 2910 mm | 3650 mm |
| Fuel Consumption Overall | 8.7 L/100km | 17 L/100km |
| Fuel Tank Capacity | 72 L | 98 L |
