2009 Audi A6 vs. 2007 Citroen C4
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Citroen C4. In addition, the cost of maintenance, including insurance, on 2007 Citroen C4 would be higher. At 2,671 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (247 HP @ 5800 RPM) has 160 more horse power than 2007 Citroen C4. (87 HP @ 5250 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 463 kg more than 2007 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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 (351 Nm @ 1800 RPM) has 218 more torque (in Nm) than 2007 Citroen C4. (133 Nm @ 3250 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2009 Audi A6 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A6 | C4 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 87 HP |
| Engine RPM | 5800 RPM | 5250 RPM |
| Torque | 351 Nm | 133 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 75 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 246 km/hour | 182 km/hour |
| Acceleration 0-100mph | 7 seconds | 14.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1257 kg |
| Vehicle Length | 4800 mm | 4280 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2610 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
