1971 Opel Commodore vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1971 Opel Commodore would be higher. At 2,490 cc (6 cylinders), 1971 Opel Commodore is equipped with a bigger engine. In terms of performance, 1971 Opel Commodore (114 HP @ 5200 RPM) has 12 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM). In normal driving conditions, 1971 Opel Commodore should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1971 Opel Commodore weights approximately 300 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, 1971 Opel Commodore (177 Nm @ 3800 RPM) has 42 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 1971 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1971 Opel Commodore | 1991 Rover 100 | |
| Make | Opel | Rover |
| Model | Commodore | 100 |
| Year Released | 1971 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 102 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 177 Nm | 135 Nm |
| Torque RPM | 3800 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1170 kg | 870 kg |
| Vehicle Length | 4580 mm | 3530 mm |
| Vehicle Width | 1760 mm | 1570 mm |
| Vehicle Height | 1430 mm | 1380 mm |
