2011 Citroen C4 vs. 2009 Audi A6
To start off, 2011 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 3,123 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 134 more horse power than 2011 Citroen C4. (118 HP @ 6000 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 2011 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 265 kg more than 2011 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Audi A6 (330 Nm @ 3250 RPM) has 170 more torque (in Nm) than 2011 Citroen C4. (160 Nm @ 4250 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Citroen C4.
Compare all specifications:
| 2011 Citroen C4 | 2009 Audi A6 | |
| Make | Citroen | Audi |
| Model | C4 | A6 |
| Year Released | 2011 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3123 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 118 HP | 252 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 160 Nm | 330 Nm |
| Torque RPM | 4250 RPM | 3250 RPM |
| Engine Bore Size | 77.1 mm | 84.5 mm |
| Engine Stroke Size | 85.8 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 13.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 11.4 seconds | 6.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1540 kg |
| Vehicle Length | 4270 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2850 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
