2004 Audi A4 vs. 1990 Citroen BX
To start off, 2004 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1990 Citroen BX. In addition, the cost of maintenance, including insurance, on 1990 Citroen BX would be higher. At 1,784 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (170 HP @ 6500 RPM) has 99 more horse power than 1990 Citroen BX. (71 HP @ 5600 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1990 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 720 kg more than 1990 Citroen BX. 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, 2004 Audi A4 (235 Nm) has 125 more torque (in Nm) than 1990 Citroen BX. (110 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen BX.
Compare all specifications:
| 2004 Audi A4 | 1990 Citroen BX | |
| Make | Audi | Citroen |
| Model | A4 | BX |
| Year Released | 2004 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 1360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 170 HP | 71 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 235 Nm | 110 Nm |
| Engine Bore Size | 81 mm | 75 mm |
| Engine Stroke Size | 86 mm | 77 mm |
| Engine Compression Ratio | 9.3:1 | 10.2:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1650 kg | 930 kg |
| Vehicle Length | 4580 mm | 4400 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 66 L |
