2009 Audi S5 vs. 2007 Citroen C4
To start off, 2009 Audi S5 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 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 220 more horse power than 2007 Citroen C4. (134 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S5 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 433 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 S5 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 S5 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 S5 (441 Nm @ 3500 RPM) has 251 more torque (in Nm) than 2007 Citroen C4. (190 Nm @ 4100 RPM). This means 2009 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2009 Audi S5 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | S5 | C4 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 354 HP | 134 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 441 Nm | 190 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 207 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1337 kg |
| Vehicle Length | 4640 mm | 4280 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2760 mm | 2610 mm |
| Fuel Consumption Overall | 14.7 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
