1990 Audi 100 vs. 1975 BMW 520
To start off, 1990 Audi 100 is newer by 15 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 1,991 cc (4 cylinders), 1975 BMW 520 is equipped with a bigger engine. In terms of performance, 1975 BMW 520 (123 HP @ 5700 RPM) has 33 more horse power than 1990 Audi 100. (90 HP @ 5200 RPM) In normal driving conditions, 1975 BMW 520 should accelerate faster than 1990 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1975 BMW 520 weights approximately 205 kg more than 1990 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 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 1975 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1990 Audi 100, 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, 1975 BMW 520 (172 Nm @ 4350 RPM) has 27 more torque (in Nm) than 1990 Audi 100. (145 Nm @ 3000 RPM). This means 1975 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1990 Audi 100.
Compare all specifications:
| 1990 Audi 100 | 1975 BMW 520 | |
| Make | Audi | BMW |
| Model | 100 | 520 |
| Year Released | 1990 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 90 HP | 123 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 145 Nm | 172 Nm |
| Torque RPM | 3000 RPM | 4350 RPM |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1090 kg | 1295 kg |
| Vehicle Length | 4800 mm | 4630 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2640 mm |
| Fuel Tank Capacity | 60 L | 70 L |
