1987 Audi 90 vs. 1977 BMW 520
To start off, 1987 Audi 90 is newer by 10 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 2,309 cc (5 cylinders), 1987 Audi 90 is equipped with a bigger engine. In terms of performance, both vehicles can yield 134 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 375 kg more than 1987 Audi 90.
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, 1987 Audi 90, 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 (280 Nm @ 1750 RPM) has 93 more torque (in Nm) than 1987 Audi 90. (187 Nm @ 4000 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90.
Compare all specifications:
| 1987 Audi 90 | 1977 BMW 520 | |
| Make | Audi | BMW |
| Model | 90 | 520 |
| Year Released | 1987 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1951 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 134 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 187 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Top Speed | 209 km/hour | 206 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1190 kg | 1565 kg |
| Vehicle Length | 4400 mm | 4780 mm |
| Vehicle Width | 1700 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2540 mm | 2840 mm |
| Fuel Consumption Overall | 4.8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
