1976 Citroen CX vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 36 year(s). Which means there will be less support and parts availability for 1976 Citroen CX. In addition, the cost of maintenance, including insurance, on 1976 Citroen CX 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 1976 Citroen CX. (106 HP @ 5500 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 670 kg more than 1976 Citroen CX. 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, 1976 Citroen CX, 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 469 more torque (in Nm) than 1976 Citroen CX. (161 Nm @ 3000 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 1976 Citroen CX.
Compare all specifications:
| 1976 Citroen CX | 2012 BMW 640 | |
| Make | Citroen | BMW |
| Model | CX | 640 |
| Year Released | 1976 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1985 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 | 5500 RPM | 4400 RPM |
| Torque | 161 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 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1935 kg |
| Vehicle Length | 4670 mm | 4894 mm |
| Vehicle Width | 1770 mm | 1894 mm |
| Vehicle Height | 1370 mm | 1365 mm |
| Wheelbase Size | 2850 mm | 2855 mm |
| Fuel Tank Capacity | 68 L | 70 L |
