2009 BMW 550 vs. 1987 Citroen BX
To start off, 2009 BMW 550 is newer by 22 year(s). Which means there will be less support and parts availability for 1987 Citroen BX. In addition, the cost of maintenance, including insurance, on 1987 Citroen BX would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (657 HP @ 3400 RPM) has 586 more horse power than 1987 Citroen BX. (71 HP @ 5600 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 1987 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 730 kg more than 1987 Citroen BX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 550 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 1987 Citroen BX, being front wheel drive (FWD), will offer much better control with better grip. 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 380 more torque (in Nm) than 1987 Citroen BX. (110 Nm @ 3400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen BX. 2009 BMW 550 has automatic transmission and 1987 Citroen BX has manual transmission. 1987 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 | 1987 Citroen BX | |
| Make | BMW | Citroen |
| Model | 550 | BX |
| Year Released | 2009 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1358 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 657 HP | 71 HP |
| Engine RPM | 3400 RPM | 5600 RPM |
| Torque | 490 Nm | 110 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1660 kg | 930 kg |
| Vehicle Length | 4850 mm | 4400 mm |
| Vehicle Width | 1470 mm | 1690 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 66 L |
