2005 Audi A4 vs. 1991 Citroen ZX
To start off, 2005 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 2,391 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (168 HP @ 6000 RPM) has 38 more horse power than 1991 Citroen ZX. (130 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 391 kg more than 1991 Citroen ZX. 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, 2005 Audi A4 (230 Nm @ 3200 RPM) has 70 more torque (in Nm) than 1991 Citroen ZX. (160 Nm @ 4750 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 2005 Audi A4 | 1991 Citroen ZX | |
| Make | Audi | Citroen |
| Model | A4 | ZX |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 1905 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 130 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 230 Nm | 160 Nm |
| Torque RPM | 3200 RPM | 4750 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 77.4 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Top Speed | 223 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1495 kg | 1104 kg |
| Vehicle Length | 4550 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2580 mm | 2550 mm |
