2007 BMW Z4 vs. 1975 Citroen CX
To start off, 2007 BMW Z4 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Citroen CX. In addition, the cost of maintenance, including insurance, on 1975 Citroen CX would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 53 more horse power than 1975 Citroen CX. (115 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1975 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 80 kg more than 1975 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1975 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, 2007 BMW Z4 (210 Nm @ 3500 RPM) has 32 more torque (in Nm) than 1975 Citroen CX. (178 Nm @ 3250 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Citroen CX.
Compare all specifications:
| 2007 BMW Z4 | 1975 Citroen CX | |
| Make | BMW | Citroen |
| Model | Z4 | CX |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2164 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 115 HP |
| Engine RPM | 6250 RPM | 5600 RPM |
| Torque | 210 Nm | 178 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 80 mm | 88 mm |
| Engine Stroke Size | 72 mm | 89 mm |
| Top Speed | 225 km/hour | 184 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1325 kg | 1245 kg |
| Vehicle Length | 4100 mm | 4680 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
