2009 Chevrolet Optra vs. 1981 Renault 9
To start off, 2009 Chevrolet Optra is newer by 28 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, 2009 Chevrolet Optra (108 HP) has 23 more horse power than 1981 Renault 9. (85 HP). In normal driving conditions, 2009 Chevrolet Optra should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Optra weights approximately 355 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, 2009 Chevrolet Optra (150 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2009 Chevrolet Optra will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2009 Chevrolet Optra | 1981 Renault 9 | |
| Make | Chevrolet | Renault |
| Model | Optra | 9 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 85 HP |
| Torque | 150 Nm | 139 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 79 mm | 81 mm |
| Engine Stroke Size | 81.5 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1261 kg | 906 kg |
| Vehicle Length | 4510 mm | 4070 mm |
| Vehicle Width | 1730 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2490 mm |
