2009 Audi A4 vs. 2007 Citroen C4
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 3,122 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 5100 RPM) has 118 more horse power than 2007 Citroen C4. (134 HP @ 6000 RPM). 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. 2007 Citroen C4 weights approximately 424 kg more than 2009 Audi A4.
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 (330 Nm @ 3250 RPM) has 140 more torque (in Nm) than 2007 Citroen C4. (190 Nm @ 4100 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:
| 2009 Audi A4 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A4 | C4 |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 134 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 330 Nm | 190 Nm |
| Torque RPM | 3250 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 - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 10.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 930 kg | 1354 kg |
| Vehicle Length | 4580 mm | 4270 mm |
| Vehicle Width | 1400 mm | 1780 mm |
| Vehicle Height | 1780 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 11 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
