2007 BMW X5 vs. 1987 Citroen AX
To start off, 2007 BMW X5 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 4,798 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (342 HP @ 5700 RPM) has 257 more horse power than 1987 Citroen AX. (85 HP @ 6400 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 1478 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 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, 2007 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, 2007 BMW X5 (480 Nm @ 3700 RPM) has 365 more torque (in Nm) than 1987 Citroen AX. (115 Nm @ 4000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX. 2007 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. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 1987 Citroen AX | |
| Make | BMW | Citroen |
| Model | X5 | AX |
| Year Released | 2007 | 1987 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4798 cc | 1358 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 342 HP | 85 HP |
| Engine RPM | 5700 RPM | 6400 RPM |
| Torque | 480 Nm | 115 Nm |
| Torque RPM | 3700 RPM | 4000 RPM |
| Engine Bore Size | 88.3 mm | 75 mm |
| Engine Stroke Size | 93 mm | 77 mm |
| Top Speed | 240 km/hour | 177 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2200 kg | 722 kg |
| Vehicle Length | 4670 mm | 3540 mm |
| Vehicle Width | 1930 mm | 1610 mm |
| Vehicle Height | 1710 mm | 1350 mm |
| Wheelbase Size | 2830 mm | 2290 mm |
