2005 Opel Astra vs. 1981 Renault 9
To start off, 2005 Opel Astra is newer by 24 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 1,598 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (104 HP @ 6000 RPM) has 50 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2005 Opel Astra should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 320 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, 2005 Opel Astra (150 Nm @ 3900 RPM) has 46 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2005 Opel Astra | 1981 Renault 9 | |
| Make | Opel | Renault |
| Model | Astra | 9 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1595 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 54 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 150 Nm | 104 Nm |
| Torque RPM | 3900 RPM | 2250 RPM |
| Engine Bore Size | 79 mm | 78 mm |
| Engine Stroke Size | 81.5 mm | 83.5 mm |
| Engine Compression Ratio | 10.5:1 | 22.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1235 kg | 915 kg |
| Vehicle Length | 4300 mm | 4070 mm |
| Vehicle Width | 1760 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2700 mm | 2490 mm |
| Fuel Tank Capacity | 52 L | 38 L |
