1981 Audi 100 vs. 2009 Citroen C4
To start off, 2009 Citroen C4 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Audi 100. In addition, the cost of maintenance, including insurance, on 1981 Audi 100 would be higher. At 1,588 cc (4 cylinders), 1981 Audi 100 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (87 HP @ 5250 RPM) has 2 more horse power than 1981 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1981 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 146 kg more than 1981 Audi 100. 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, 2009 Citroen C4 (133 Nm @ 3250 RPM) has 9 more torque (in Nm) than 1981 Audi 100. (124 Nm @ 3200 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 100.
Compare all specifications:
| 1981 Audi 100 | 2009 Citroen C4 | |
| Make | Audi | Citroen |
| Model | 100 | C4 |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 1360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 87 HP |
| Engine RPM | 5600 RPM | 5250 RPM |
| Torque | 124 Nm | 133 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 79.5 mm | 75 mm |
| Engine Stroke Size | 80 mm | 77 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1110 kg | 1256 kg |
| Vehicle Length | 4600 mm | 4280 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2680 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 60 L |
