2004 BMW 630 vs. 1991 Citroen ZX
To start off, 2004 BMW 630 is newer by 13 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 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 165 more horse power than 1991 Citroen ZX. (89 HP @ 6400 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 776 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 2004 BMW 630 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 2004 BMW 630. 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 167 more torque (in Nm) than 1991 Citroen ZX. (133 Nm @ 3000 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 2004 BMW 630 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. 2004 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW 630 | 1991 Citroen ZX | |
| Make | BMW | Citroen |
| Model | 630 | ZX |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1579 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 254 HP | 89 HP |
| Engine RPM | 6600 RPM | 6400 RPM |
| Torque | 300 Nm | 133 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 88 mm | 73 mm |
| Top Speed | 250 km/hour | 180 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1776 kg | 1000 kg |
| Vehicle Length | 4830 mm | 4070 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2430 mm |
