1986 Audi 90 vs. 1981 BMW 528
To start off, 1986 Audi 90 is newer by 5 year(s). Which means there will be less support and parts availability for 1981 BMW 528. In addition, the cost of maintenance, including insurance, on 1981 BMW 528 would be higher. At 2,788 cc (6 cylinders), 1981 BMW 528 is equipped with a bigger engine. In terms of performance, 1981 BMW 528 (181 HP @ 5800 RPM) has 67 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM) In normal driving conditions, 1981 BMW 528 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 528 weights approximately 250 kg more than 1986 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, 1981 BMW 528 (240 Nm @ 4200 RPM) has 71 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 1981 BMW 528 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 1986 Audi 90 | 1981 BMW 528 | |
| Make | Audi | BMW |
| Model | 90 | 528 |
| Year Released | 1986 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2788 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 181 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 169 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 77.4 mm | 80 mm |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1300 kg |
| Vehicle Length | 4470 mm | 4630 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2630 mm |
