2007 BMW X3 vs. 1978 Citroen CX
To start off, 2007 BMW X3 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Citroen CX. In addition, the cost of maintenance, including insurance, on 1978 Citroen CX would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 114 more horse power than 1978 Citroen CX. (101 HP @ 5600 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 500 kg more than 1978 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Citroen CX. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (480 Nm @ 1750 RPM) has 319 more torque (in Nm) than 1978 Citroen CX. (161 Nm @ 3000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 2007 BMW X3 | 1978 Citroen CX | |
| Make | BMW | Citroen |
| Model | X3 | CX |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1905 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 101 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 480 Nm | 161 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1265 kg |
| Vehicle Length | 4570 mm | 4670 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Vehicle Height | 1880 mm | 1370 mm |
| Wheelbase Size | 2800 mm | 2850 mm |
| Fuel Tank Capacity | 67 L | 68 L |
