1984 Audi 90 vs. 1972 BMW 520
To start off, 1984 Audi 90 is newer by 12 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 1,994 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 36 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM) In normal driving conditions, 1972 BMW 520 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 389 kg more than 1984 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 BMW 520 (190 Nm @ 4200 RPM) has 22 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 1972 BMW 520 | |
| Make | Audi | BMW |
| Model | 90 | 520 |
| Year Released | 1984 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1991 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 150 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 168 Nm | 190 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 77.4 mm | 66 mm |
| Vehicle Weight | 1056 kg | 1445 kg |
| Vehicle Length | 4470 mm | 4630 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2770 mm |
