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 1,996 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 24 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.
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, 2009 Audi A4 (250 Nm @ 1500 RPM) has 60 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. 2009 Audi A4 has automatic transmission and 2007 Citroen C4 has manual transmission. 2007 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A4 | C4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 134 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 250 Nm | 190 Nm |
| Torque RPM | 1500 RPM | 4100 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 84.1 mm | 88 mm |
| Engine Compression Ratio | 9.6:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 207 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 930 kg | 1354 kg |
| Vehicle Length | 4710 mm | 4270 mm |
| Vehicle Width | 2010 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 2610 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
