1981 Renault 9 vs. 1971 Rover P5B
To start off, 1981 Renault 9 is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Rover P5B. In addition, the cost of maintenance, including insurance, on 1971 Rover P5B would be higher. At 3,528 cc (8 cylinders), 1971 Rover P5B is equipped with a bigger engine. In terms of performance, 1971 Rover P5B (158 HP @ 5200 RPM) has 111 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM) In normal driving conditions, 1971 Rover P5B should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1971 Rover P5B weights approximately 760 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1981 Renault 9 | 1971 Rover P5B | |
| Make | Renault | Rover |
| Model | 9 | P5B |
| Year Released | 1981 | 1971 |
| Engine Size | 1108 cc | 3528 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 158 HP |
| Engine RPM | 5250 RPM | 5200 RPM |
| Torque RPM | 2500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 820 kg | 1580 kg |
| Vehicle Length | 4070 mm | 4750 mm |
| Vehicle Width | 1660 mm | 1790 mm |
| Vehicle Height | 1410 mm | 1480 mm |
| Wheelbase Size | 2490 mm | 2820 mm |
