2007 Audi A6 vs. 2009 Citroen C4
To start off, 2009 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 1,997 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (181 HP) has 13 more horse power than 2007 Audi A6. (168 HP) In normal driving conditions, 2009 Citroen C4 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 62 kg more than 2007 Audi A6. 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, 2007 Audi A6 (280 Nm @ 1800 RPM) has 100 more torque (in Nm) than 2009 Citroen C4. (180 Nm @ 7000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2007 Audi A6 | 2009 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A6 | C4 |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 181 HP |
| Torque | 280 Nm | 180 Nm |
| Torque RPM | 1800 RPM | 7000 RPM |
| Engine Compression Ratio | 11.5:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 218 km/hour | 227 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1275 kg | 1337 kg |
| Vehicle Length | 4800 mm | 4270 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2610 mm |
| Fuel Consumption Overall | 8.1 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
