2009 Audi A4 vs. 1986 Citroen BX
To start off, 2009 Audi A4 is newer by 23 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 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 126 more horse power than 1986 Citroen BX. (61 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1986 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 755 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.
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 (400 Nm @ 1400 RPM) has 290 more torque (in Nm) than 1986 Citroen BX. (110 Nm @ 2500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Citroen BX.
Compare all specifications:
| 2009 Audi A4 | 1986 Citroen BX | |
| Make | Audi | Citroen |
| Model | A4 | BX |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 1360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 187 HP | 61 HP |
| Engine RPM | 3500 RPM | 5500 RPM |
| Torque | 400 Nm | 110 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 82.6 mm | 75.1 mm |
| Engine Stroke Size | 84.1 mm | 77 mm |
| Engine Compression Ratio | 17.5:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1645 kg | 890 kg |
| Vehicle Length | 4710 mm | 4240 mm |
| Vehicle Width | 1830 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2810 mm | 2860 mm |
| Fuel Consumption Overall | 6.5 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
