2009 BMW 550 vs. 1990 Citroen BX
To start off, 2009 BMW 550 is newer by 19 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 4,798 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 239 more horse power than 1990 Citroen BX. (123 HP @ 5500 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 1990 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 525 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.
Because 1990 Citroen BX is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 1990 Citroen BX will offer significantly more control. 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 BMW 550 (490 Nm @ 3400 RPM) has 317 more torque (in Nm) than 1990 Citroen BX. (173 Nm @ 4500 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen BX. 2009 BMW 550 has automatic transmission and 1990 Citroen BX has manual transmission. 1990 Citroen BX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 550 | 1990 Citroen BX | |
| Make | BMW | Citroen |
| Model | 550 | BX |
| Year Released | 2009 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4798 cc | 1998 cc |
| Horse Power | 362 HP | 123 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 490 Nm | 173 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Top Speed | 250 km/hour | 185 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1135 kg |
| Vehicle Length | 4850 mm | 4240 mm |
| Vehicle Width | 1470 mm | 1670 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
