1977 BMW 520 vs. 1989 Citroen AX
To start off, 1989 Citroen AX is newer by 12 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 1,990 cc (6 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (120 HP @ 6000 RPM) has 68 more horse power than 1989 Citroen AX. (52 HP @ 5000 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1989 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 585 kg more than 1989 Citroen AX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1989 Citroen AX, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 BMW 520 (160 Nm @ 4000 RPM) has 74 more torque (in Nm) than 1989 Citroen AX. (86 Nm @ 2500 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen AX.
Compare all specifications:
| 1977 BMW 520 | 1989 Citroen AX | |
| Make | BMW | Citroen |
| Model | 520 | AX |
| Year Released | 1977 | 1989 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 52 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 160 Nm | 86 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 75 mm |
| Engine Stroke Size | 66 mm | 77 mm |
| Engine Compression Ratio | 9.2:1 | 22.0:1 |
| Top Speed | 180 km/hour | 146 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1310 kg | 725 kg |
| Vehicle Length | 4630 mm | 3540 mm |
| Vehicle Width | 1700 mm | 1580 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2640 mm | 2290 mm |
| Fuel Tank Capacity | 70 L | 43 L |
