2009 Citroen C6 vs. 2006 Mercedes-Benz C
To start off, 2009 Citroen C6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz C would be higher. At 2,179 cc (4 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (168 HP @ 4000 RPM) has 27 more horse power than 2006 Mercedes-Benz C. (141 HP @ 5300 RPM). In normal driving conditions, 2009 Citroen C6 should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 110 kg more than 2006 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2009 Citroen C6, being front wheel drive (FWD), will offer much better control with better grip. 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 Citroen C6 (370 Nm @ 1500 RPM) has 150 more torque (in Nm) than 2006 Mercedes-Benz C. (220 Nm @ 3500 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C. 2006 Mercedes-Benz C has automatic transmission and 2009 Citroen C6 has manual transmission. 2009 Citroen C6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C6 | 2006 Mercedes-Benz C | |
| Make | Citroen | Mercedes-Benz |
| Model | C6 | C |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2179 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 141 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 370 Nm | 220 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 82 mm |
| Engine Stroke Size | 96 mm | 85 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1895 kg | 1785 kg |
| Vehicle Length | 4910 mm | 4860 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2910 mm | 2570 mm |
| Fuel Consumption Overall | 6.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 72 L | 70 L |
