1978 Audi 100 vs. 2003 Citroen C4
To start off, 2003 Citroen C4 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 1,986 cc (5 cylinders), 1978 Audi 100 is equipped with a bigger engine. In terms of performance, 2003 Citroen C4 (89 HP @ 4000 RPM) has 19 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 2003 Citroen C4 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2003 Citroen C4 weights approximately 120 kg more than 1978 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, 2003 Citroen C4 (215 Nm @ 1750 RPM) has 90 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 2003 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2003 Citroen C4 | |
| Make | Audi | Citroen |
| Model | 100 | C4 |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 1558 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 89 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 125 Nm | 215 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 76.5 mm | 75 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 23.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1210 kg | 1330 kg |
| Vehicle Length | 4690 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 |
