1997 Opel Astra vs. 1981 Renault 9
To start off, 1997 Opel Astra is newer by 16 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 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 12 more horse power than 1997 Opel Astra. (73 HP @ 4400 RPM) In normal driving conditions, 1981 Renault 9 should accelerate faster than 1997 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1997 Opel Astra weights approximately 374 kg more than 1981 Renault 9.
Let's talk about torque, 1997 Opel Astra (165 Nm @ 1800 RPM) has 26 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 1997 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1997 Opel Astra | 1981 Renault 9 | |
| Make | Opel | Renault |
| Model | Astra | 9 |
| Year Released | 1997 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1698 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 73 HP | 85 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 165 Nm | 139 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 79 mm | 81 mm |
| Engine Stroke Size | 86 mm | 83.5 mm |
| Vehicle Weight | 1280 kg | 906 kg |
| Vehicle Length | 4250 mm | 4070 mm |
| Vehicle Width | 1700 mm | 1660 mm |
| Vehicle Height | 1480 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2490 mm |
