1951 Austin A 40 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 A 40. In addition, the cost of maintenance, including insurance, on 1951 Austin A 40 would be higher. At 1,721 cc (4 cylinders), 1981 Renault 9 is equipped with a bigger engine. In terms of performance, 1981 Renault 9 (85 HP @ 5000 RPM) has 36 more horse power than 1951 Austin A 40. (49 HP @ 5000 RPM) In normal driving conditions, 1981 Renault 9 should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin A 40 weights approximately 84 kg more than 1981 Renault 9.
Let's talk about torque, 1981 Renault 9 (139 Nm @ 3250 RPM) has 56 more torque (in Nm) than 1951 Austin A 40. (83 Nm @ 3000 RPM). This means 1981 Renault 9 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin A 40.
Compare all specifications:
| 1951 Austin A 40 | 1981 Renault 9 | |
| Make | Austin | Renault |
| Model | A 40 | 9 |
| Year Released | 1951 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 85 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 83 Nm | 139 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 65.5 mm | 81 mm |
| Engine Stroke Size | 89 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 990 kg | 906 kg |
| Vehicle Length | 4060 mm | 4070 mm |
| Vehicle Width | 1560 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2360 mm | 2490 mm |
