2009 Audi A6 vs. 2004 Citroen C4
To start off, 2009 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Citroen C4. In addition, the cost of maintenance, including insurance, on 2004 Citroen C4 would be higher. At 2,995 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (300 HP @ 5100 RPM) has 166 more horse power than 2004 Citroen C4. (134 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2004 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 367 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Citroen C4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 Audi A6 (420 Nm @ 2500 RPM) has 230 more torque (in Nm) than 2004 Citroen C4. (190 Nm @ 4100 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Citroen C4.
Compare all specifications:
| 2009 Audi A6 | 2004 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A6 | C4 |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 134 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 420 Nm | 190 Nm |
| Torque RPM | 2500 RPM | 4100 RPM |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 1262 kg |
| Vehicle Length | 4930 mm | 4270 mm |
| Vehicle Width | 2040 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Consumption Highway | 9.1 L/100km | 6 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.5 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 8 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
