1981 BMW 520 vs. 1993 Rover 100
To start off, 1993 Rover 100 is newer by 12 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 1,991 cc (6 cylinders), 1981 BMW 520 is equipped with a bigger engine. In terms of performance, 1981 BMW 520 (123 HP @ 5800 RPM) has 21 more horse power than 1993 Rover 100. (102 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 520 should accelerate faster than 1993 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 520 weights approximately 350 kg more than 1993 Rover 100. 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 520 (170 Nm @ 4000 RPM) has 35 more torque (in Nm) than 1993 Rover 100. (135 Nm @ 5000 RPM). This means 1981 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1993 Rover 100.
Compare all specifications:
| 1981 BMW 520 | 1993 Rover 100 | |
| Make | BMW | Rover |
| Model | 520 | 100 |
| Year Released | 1981 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 102 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 170 Nm | 135 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 80 mm | 75 mm |
| Engine Stroke Size | 66 mm | 79 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1220 kg | 870 kg |
| Vehicle Length | 4630 mm | 3530 mm |
| Vehicle Width | 1710 mm | 1570 mm |
| Vehicle Height | 1430 mm | 1380 mm |
