2009 Audi A4 vs. 1985 Citroen BX
To start off, 2009 Audi A4 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Citroen BX. In addition, the cost of maintenance, including insurance, on 1985 Citroen BX would be higher. At 2,974 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 155 more horse power than 1985 Citroen BX. (62 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1985 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 595 kg more than 1985 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, 2009 Audi A4 (300 Nm @ 3200 RPM) has 191 more torque (in Nm) than 1985 Citroen BX. (109 Nm @ 2500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Citroen BX.
Compare all specifications:
| 2009 Audi A4 | 1985 Citroen BX | |
| Make | Audi | Citroen |
| Model | A4 | BX |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 1359 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 217 HP | 62 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 109 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 75 mm |
| Engine Stroke Size | 92.8 mm | 77 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 243 km/hour | 155 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1485 kg | 890 kg |
| Vehicle Length | 4550 mm | 4240 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 9.9 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
