2007 BMW X3 vs. 1991 Citroen ZX
To start off, 2007 BMW X3 is newer by 16 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 2,494 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (189 HP @ 6000 RPM) has 59 more horse power than 1991 Citroen ZX. (130 HP @ 6000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 636 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 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Citroen ZX. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. 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 X3 (245 Nm @ 3500 RPM) has 85 more torque (in Nm) than 1991 Citroen ZX. (160 Nm @ 4750 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 2007 BMW X3 | 1991 Citroen ZX | |
| Make | BMW | Citroen |
| Model | X3 | ZX |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1905 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 130 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 4750 RPM |
| Engine Bore Size | 84.1 mm | 83 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Acceleration 0-100mph | 9.6 seconds | 9.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1740 kg | 1104 kg |
| Vehicle Length | 4570 mm | 4090 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Vehicle Height | 1860 mm | 1410 mm |
| Wheelbase Size | 2800 mm | 2550 mm |
