1981 Renault 9 vs. 1955 Rover P4
To start off, 1981 Renault 9 is newer by 26 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,102 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 1955 Rover P4 (74 HP @ 4200 RPM) has 27 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM) In normal driving conditions, 1955 Rover P4 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 570 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 | 1955 Rover P4 | |
| Make | Renault | Rover |
| Model | 9 | P4 |
| Year Released | 1981 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1108 cc | 2102 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 74 HP |
| Engine RPM | 5250 RPM | 4200 RPM |
| Engine Bore Size | 70 mm | 65.2 mm |
| Engine Stroke Size | 72 mm | 105 mm |
| Engine Compression Ratio | 9.2:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 820 kg | 1390 kg |
| Vehicle Length | 4070 mm | 4590 mm |
| Vehicle Width | 1660 mm | 1670 mm |
| Vehicle Height | 1410 mm | 1620 mm |
| Wheelbase Size | 2490 mm | 2830 mm |
| Fuel Tank Capacity | 38 L | 52 L |
