1972 BMW 3 vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 19 year(s). Which means there will be less support and parts availability for 1972 BMW 3. In addition, the cost of maintenance, including insurance, on 1972 BMW 3 would be higher. At 3,003 cc (6 cylinders), 1972 BMW 3 is equipped with a bigger engine. In terms of performance, 1972 BMW 3 (197 HP @ 5500 RPM) has 95 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM). In normal driving conditions, 1972 BMW 3 should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 3 weights approximately 400 kg more than 1991 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, 1972 BMW 3 (272 Nm @ 4300 RPM) has 137 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 1972 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1972 BMW 3 | 1991 Rover 100 | |
| Make | BMW | Rover |
| Model | 3 | 100 |
| Year Released | 1972 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3003 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 102 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 272 Nm | 135 Nm |
| Torque RPM | 4300 RPM | 5000 RPM |
| Engine Bore Size | 89.3 mm | 75 mm |
| Engine Stroke Size | 80 mm | 79 mm |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1270 kg | 870 kg |
| Vehicle Length | 4640 mm | 3530 mm |
| Vehicle Width | 1740 mm | 1570 mm |
| Vehicle Height | 1380 mm | 1380 mm |
