2007 Audi S4 vs. 1987 Citroen BX
To start off, 2007 Audi S4 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Citroen BX. In addition, the cost of maintenance, including insurance, on 1987 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 (340 HP @ 7000 RPM) has 180 more horse power than 1987 Citroen BX. (160 HP @ 6500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1987 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 457 kg more than 1987 Citroen BX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Citroen BX. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 will offer significantly more control. 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 230 more torque (in Nm) than 1987 Citroen BX. (180 Nm @ 5000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen BX.
Compare all specifications:
| 2007 Audi S4 | 1987 Citroen BX | |
| Make | Audi | Citroen |
| Model | S4 | BX |
| Year Released | 2007 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1905 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 160 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 180 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.4:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1073 kg |
| Vehicle Length | 4590 mm | 4250 mm |
| Vehicle Width | 1790 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
