2006 Audi S4 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 216 more horse power than 2007 Citroen C4. (123 HP @ 6000 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 295 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.
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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 240 more torque (in Nm) than 2007 Citroen C4. (170 Nm @ 3750 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2006 Audi S4 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | S4 | C4 |
| Year Released | 2006 | 2007 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1747 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 123 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 170 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 84.6 mm | 82.7 mm |
| Engine Stroke Size | 92.8 mm | 81.4 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.8 seconds | 13.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1585 kg |
| Vehicle Length | 4590 mm | 4280 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1630 mm |
| Wheelbase Size | 2650 mm | 2730 mm |
| Fuel Consumption Overall | 13.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
