1973 Alfa Romeo Junior vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1973 Alfa Romeo Junior would be higher. At 1,721 cc (4 cylinders), 1981 Renault 9 is equipped with a bigger engine. In terms of performance, 1973 Alfa Romeo Junior (86 HP @ 6000 RPM) has 1 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 1973 Alfa Romeo Junior should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1973 Alfa Romeo Junior weights approximately 64 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, 1981 Renault 9 (139 Nm @ 3250 RPM) has 24 more torque (in Nm) than 1973 Alfa Romeo Junior. (115 Nm @ 3200 RPM). This means 1981 Renault 9 will have an easier job in driving up hills or pulling heavy equipment than 1973 Alfa Romeo Junior.
Compare all specifications:
| 1973 Alfa Romeo Junior | 1981 Renault 9 | |
| Make | Alfa Romeo | Renault |
| Model | Junior | 9 |
| Year Released | 1973 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 85 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 115 Nm | 139 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 74 mm | 81 mm |
| Engine Stroke Size | 75 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 970 kg | 906 kg |
| Vehicle Length | 3910 mm | 4070 mm |
| Vehicle Width | 1560 mm | 1660 mm |
| Vehicle Height | 1290 mm | 1410 mm |
| Wheelbase Size | 2260 mm | 2490 mm |
