2005 BMW 730 vs. 1991 Citroen ZX
To start off, 2005 BMW 730 is newer by 14 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 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 154 more horse power than 1991 Citroen ZX. (71 HP @ 4600 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 940 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 2005 BMW 730 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 2005 BMW 730. 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 378 more torque (in Nm) than 1991 Citroen ZX. (122 Nm @ 2000 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 2005 BMW 730 has automatic transmission and 1991 Citroen ZX has manual transmission. 1991 Citroen ZX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 1991 Citroen ZX | |
| Make | BMW | Citroen |
| Model | 730 | ZX |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 225 HP | 71 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 500 Nm | 122 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 84.1 mm | 83.1 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 23.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1975 kg | 1035 kg |
| Vehicle Length | 5050 mm | 4070 mm |
| Vehicle Width | 1910 mm | 1710 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2550 mm |
