2004 Audi A6 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 1,997 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (175 HP @ 7000 RPM) has 37 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 128 kg more than 2007 Citroen C4.
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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 118 more torque (in Nm) than 2007 Citroen C4. (202 Nm @ 4750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2004 Audi A6 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A6 | C4 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 175 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 320 Nm | 202 Nm |
| Torque RPM | 1750 RPM | 4750 RPM |
| Engine Compression Ratio | 19.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 227 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1540 kg | 1412 kg |
| Vehicle Length | 4920 mm | 3440 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Consumption Overall | 6 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
