1987 Citroen AX vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 22 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 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 140 more horse power than 1987 Citroen AX. (75 HP @ 5800 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 537 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 1987 Citroen AX is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1987 Citroen AX 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, 2009 BMW Z4 (250 Nm) has 140 more torque (in Nm) than 1987 Citroen AX. (110 Nm). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX. 2009 BMW Z4 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. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Citroen AX | 2009 BMW Z4 | |
| Make | Citroen | BMW |
| Model | AX | Z4 |
| Year Released | 1987 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1358 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 215 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 110 Nm | 250 Nm |
| Engine Bore Size | 75 mm | 82 mm |
| Engine Stroke Size | 77 mm | 78.8 mm |
| Top Speed | 167 km/hour | 240 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 825 kg | 1362 kg |
| Vehicle Length | 3540 mm | 4100 mm |
| Vehicle Width | 1580 mm | 1310 mm |
| Vehicle Height | 1350 mm | 1790 mm |
| Wheelbase Size | 2290 mm | 2500 mm |
