2007 Audi A4 vs. 1990 Citroen BX
To start off, 2007 Audi A4 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Citroen BX. In addition, the cost of maintenance, including insurance, on 1990 Citroen BX would be higher. At 1,895 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (113 HP @ 4000 RPM) has 39 more horse power than 1990 Citroen BX. (74 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1990 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 490 kg more than 1990 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, 2007 Audi A4 (285 Nm @ 1900 RPM) has 176 more torque (in Nm) than 1990 Citroen BX. (109 Nm @ 3400 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen BX.
Compare all specifications:
| 2007 Audi A4 | 1990 Citroen BX | |
| Make | Audi | Citroen |
| Model | A4 | BX |
| Year Released | 2007 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1895 cc | 1360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 113 HP | 74 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 285 Nm | 109 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Bore Size | 79.5 mm | 75 mm |
| Engine Stroke Size | 95.5 mm | 77 mm |
| Engine Compression Ratio | 19.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1390 kg | 900 kg |
| Vehicle Length | 4550 mm | 4240 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2650 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 43 L |
