1951 Austin Princess vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 30 year(s). Which means there will be less support and parts availability for 1951 Austin Princess. In addition, the cost of maintenance, including insurance, on 1951 Austin Princess would be higher. At 3,990 cc (6 cylinders), 1951 Austin Princess is equipped with a bigger engine. In terms of performance, 1951 Austin Princess (124 HP @ 3800 RPM) has 70 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 1951 Austin Princess should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin Princess weights approximately 1040 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.
Let's talk about torque, 1951 Austin Princess (288 Nm @ 2200 RPM) has 184 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 1951 Austin Princess will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1951 Austin Princess | 1981 Renault 9 | |
| Make | Austin | Renault |
| Model | Princess | 9 |
| Year Released | 1951 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 1595 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 54 HP |
| Engine RPM | 3800 RPM | 4800 RPM |
| Torque | 288 Nm | 104 Nm |
| Torque RPM | 2200 RPM | 2250 RPM |
| Engine Bore Size | 87.3 mm | 78 mm |
| Engine Stroke Size | 111.1 mm | 83.5 mm |
| Engine Compression Ratio | 6.8:1 | 22.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1955 kg | 915 kg |
| Vehicle Length | 4880 mm | 4070 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1710 mm | 1410 mm |
| Wheelbase Size | 3030 mm | 2490 mm |
| Fuel Tank Capacity | 34 L | 38 L |
