2007 BMW X3 vs. 1987 Citroen AX
To start off, 2007 BMW X3 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Citroen AX. In addition, the cost of maintenance, including insurance, on 1987 Citroen AX would be higher. At 1,995 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (148 HP @ 4000 RPM) has 63 more horse power than 1987 Citroen AX. (85 HP @ 6400 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 1018 kg more than 1987 Citroen AX. 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 1987 Citroen AX. 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 (330 Nm @ 2000 RPM) has 215 more torque (in Nm) than 1987 Citroen AX. (115 Nm @ 4000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 2007 BMW X3 | 1987 Citroen AX | |
| Make | BMW | Citroen |
| Model | X3 | AX |
| Year Released | 2007 | 1987 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1358 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 85 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 330 Nm | 115 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 90 mm | 77 mm |
| Engine Compression Ratio | 17.0:1 | 9.3:1 |
| Top Speed | 215 km/hour | 177 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1740 kg | 722 kg |
| Vehicle Length | 4570 mm | 3540 mm |
| Vehicle Width | 1680 mm | 1610 mm |
| Vehicle Height | 1860 mm | 1350 mm |
| Wheelbase Size | 2800 mm | 2290 mm |
