2007 Citroen C4 vs. 2009 Audi A4
To start off, 2009 Audi A4 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 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (218 HP) has 110 more horse power than 2007 Citroen C4. (108 HP) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 317 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 A4 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 A4 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 A4 (300 Nm @ 2200 RPM) has 153 more torque (in Nm) than 2007 Citroen C4. (147 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2007 Citroen C4 | 2009 Audi A4 | |
| Make | Citroen | Audi |
| Model | C4 | A4 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 218 HP |
| Torque | 147 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Bore Size | 78 mm | 82.5 mm |
| Engine Stroke Size | 82 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 188 km/hour | 244 km/hour |
| Acceleration 0-100mph | 13.1 seconds | 6.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1278 kg | 1595 kg |
| Vehicle Length | 4270 mm | 4610 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
| Fuel Consumption Overall | 7.9 L/100km | 9 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
