1991 Audi 100 vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,309 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (131 HP) has 23 more horse power than 2006 Citroen C4. (108 HP). In normal driving conditions, 1991 Audi 100 should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 194 kg more than 2006 Citroen C4. 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, 1991 Audi 100 (186 Nm @ 4000 RPM) has 39 more torque (in Nm) than 2006 Citroen C4. (147 Nm @ 4000 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4.
Compare all specifications:
| 1991 Audi 100 | 2006 Citroen C4 | |
| Make | Audi | Citroen |
| Model | 100 | C4 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1587 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 131 HP | 108 HP |
| Torque | 186 Nm | 147 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 78 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1410 kg | 1216 kg |
| Vehicle Length | 4800 mm | 4270 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1460 mm |
