1986 Citroen Bx vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 26 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 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 205 more horse power than 1986 Citroen Bx. (106 HP @ 6000 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 1986 Citroen Bx. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 905 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 2012 BMW 640 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 2012 BMW 640. 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 467 more torque (in Nm) than 1986 Citroen Bx. (163 Nm @ 3000 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 1986 Citroen Bx. 2012 BMW 640 has automatic transmission and 1986 Citroen Bx has manual transmission. 1986 Citroen Bx will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Citroen Bx | 2012 BMW 640 | |
| Make | Citroen | BMW |
| Model | Bx | 640 |
| Year Released | 1986 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1904 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 311 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 163 Nm | 630 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 90 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1030 kg | 1935 kg |
| Vehicle Length | 4240 mm | 4894 mm |
| Vehicle Width | 1680 mm | 1894 mm |
| Vehicle Height | 1370 mm | 1365 mm |
| Wheelbase Size | 2660 mm | 2855 mm |
| Fuel Tank Capacity | 80 L | 70 L |
