2005 Audi S4 vs. 1986 Citroen BX
To start off, 2005 Audi S4 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Citroen BX. In addition, the cost of maintenance, including insurance, on 1986 Citroen BX would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 251 more horse power than 1986 Citroen BX. (89 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1986 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 780 kg more than 1986 Citroen BX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 275 more torque (in Nm) than 1986 Citroen BX. (135 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Citroen BX.
Compare all specifications:
| 2005 Audi S4 | 1986 Citroen BX | |
| Make | Audi | Citroen |
| Model | S4 | BX |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1580 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 89 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 135 Nm |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 93 mm | 73 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 990 kg |
| Vehicle Length | 4550 mm | 4400 mm |
| Vehicle Width | 1770 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Tank Capacity | 66 L | 80 L |
