2005 Audi S4 vs. 1984 Citroen BX
To start off, 2005 Audi S4 is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Citroen BX. In addition, the cost of maintenance, including insurance, on 1984 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 @ 6300 RPM) has 279 more horse power than 1984 Citroen BX. (61 HP @ 5500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1984 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 845 kg more than 1984 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 301 more torque (in Nm) than 1984 Citroen BX. (109 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Citroen BX.
Compare all specifications:
| 2005 Audi S4 | 1984 Citroen BX | |
| Make | Audi | Citroen |
| Model | S4 | BX |
| Year Released | 2005 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1360 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 61 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 410 Nm | 109 Nm |
| Engine Bore Size | 85.1 mm | 75 mm |
| Engine Stroke Size | 93 mm | 77 mm |
| Engine Compression Ratio | 11.0:1 | 9.3:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 890 kg |
| Vehicle Length | 4550 mm | 4240 mm |
| Vehicle Width | 1770 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
