2006 BMW Z4 vs. 1991 Citroen ZX
To start off, 2006 BMW Z4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 268 more horse power than 1991 Citroen ZX. (75 HP @ 5800 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 332 kg more than 1991 Citroen ZX. 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, 1991 Citroen ZX, 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 (495 Nm @ 4900 RPM) has 385 more torque (in Nm) than 1991 Citroen ZX. (110 Nm @ 3400 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 2006 BMW Z4 | 1991 Citroen ZX | |
| Make | BMW | Citroen |
| Model | Z4 | ZX |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 343 HP | 75 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 495 Nm | 110 Nm |
| Torque RPM | 4900 RPM | 3400 RPM |
| Engine Compression Ratio | 11.5:1 | 9.3:1 |
| Top Speed | 249 km/hour | 167 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1332 kg | 1000 kg |
| Vehicle Length | 4100 mm | 4070 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1300 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2550 mm |
| Fuel Tank Capacity | 60 L | 56 L |
