2007 Audi S4 vs. 1990 Citroen BX
To start off, 2007 Audi S4 is newer by 17 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 216 more horse power than 1990 Citroen BX. (123 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1990 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 600 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 four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 237 more torque (in Nm) than 1990 Citroen BX. (173 Nm @ 4500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen BX.
Compare all specifications:
| 2007 Audi S4 | 1990 Citroen BX | |
| Make | Audi | Citroen |
| Model | S4 | BX |
| Year Released | 2007 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 123 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 410 Nm | 173 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 8.4:1 |
| Top Speed | 250 km/hour | 185 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1135 kg |
| Vehicle Length | 4580 mm | 4240 mm |
| Vehicle Width | 1790 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
