2009 BMW M5 vs. 1986 Citroen BX
To start off, 2009 BMW M5 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 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 439 more horse power than 1986 Citroen BX. (61 HP @ 5500 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 1986 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 1065 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.
Because 2009 BMW M5 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 M5. However, in wet, icy, snow, or gravel driving conditions, 1986 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 M5 (520 Nm @ 6100 RPM) has 410 more torque (in Nm) than 1986 Citroen BX. (110 Nm @ 2500 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1986 Citroen BX.
Compare all specifications:
| 2009 BMW M5 | 1986 Citroen BX | |
| Make | BMW | Citroen |
| Model | M5 | BX |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1360 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 61 HP |
| Engine RPM | 7750 RPM | 5500 RPM |
| Torque | 520 Nm | 110 Nm |
| Torque RPM | 6100 RPM | 2500 RPM |
| Engine Compression Ratio | 12.0:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1955 kg | 890 kg |
| Vehicle Length | 4860 mm | 4240 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1520 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 15 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
