1999 BMW X5 vs. 1987 Citroen AX
To start off, 1999 BMW X5 is newer by 12 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 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (282 HP @ 5400 RPM) has 225 more horse power than 1987 Citroen AX. (57 HP @ 6200 RPM). In normal driving conditions, 1999 BMW X5 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 1470 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 1999 BMW X5 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, 1999 BMW X5 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, 1999 BMW X5 (439 Nm) has 350 more torque (in Nm) than 1987 Citroen AX. (89 Nm). This means 1999 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX. 1999 BMW X5 has automatic transmission and 1987 Citroen AX has manual transmission. 1987 Citroen AX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW X5 | 1987 Citroen AX | |
| Make | BMW | Citroen |
| Model | X5 | AX |
| Year Released | 1999 | 1987 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1124 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 282 HP | 57 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 439 Nm | 89 Nm |
| Engine Bore Size | 92 mm | 72 mm |
| Engine Stroke Size | 82.7 mm | 69 mm |
| Top Speed | 207 km/hour | 167 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 11.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2184 kg | 714 kg |
| Vehicle Length | 4670 mm | 3540 mm |
| Vehicle Width | 1880 mm | 1580 mm |
| Vehicle Height | 1710 mm | 1350 mm |
| Wheelbase Size | 2730 mm | 2290 mm |
