1999 Audi A4 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,393 cc (6 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (181 HP @ 7000 RPM) has 18 more horse power than 1999 Audi A4. (163 HP @ 6000 RPM) In normal driving conditions, 2007 Citroen C4 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 18 kg more than 1999 Audi A4. 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, 1999 Audi A4 (234 Nm @ 3200 RPM) has 54 more torque (in Nm) than 2007 Citroen C4. (180 Nm @ 7000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 1999 Audi A4 | 2007 Citroen C4 | |
| Make | Audi | Citroen |
| Model | A4 | C4 |
| Year Released | 1999 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 163 HP | 181 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 234 Nm | 180 Nm |
| Torque RPM | 3200 RPM | 7000 RPM |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 77.4 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1320 kg | 1338 kg |
| Vehicle Length | 4480 mm | 4270 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2610 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
