2006 BMW Z4 vs. 1978 Citroen CX
To start off, 2006 BMW Z4 is newer by 28 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 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP @ 5900 RPM) has 155 more horse power than 1978 Citroen CX. (74 HP @ 4250 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 260 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 2006 BMW Z4 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1978 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, 2006 BMW Z4 (300 Nm @ 3500 RPM) has 151 more torque (in Nm) than 1978 Citroen CX. (149 Nm @ 2000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 2006 BMW Z4 | 1978 Citroen CX | |
| Make | BMW | Citroen |
| Model | Z4 | CX |
| Year Released | 2006 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 229 HP | 74 HP |
| Engine RPM | 5900 RPM | 4250 RPM |
| Torque | 300 Nm | 149 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 93.1 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1370 kg |
| Vehicle Length | 4570 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1680 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Tank Capacity | 55 L | 80 L |
