1981 Renault 9 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 25 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 2,957 cc (6 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (175 HP @ 4000 RPM) has 128 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM) In normal driving conditions, 2006 Opel Vectra should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 793 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.
Compare all specifications:
| 1981 Renault 9 | 2006 Opel Vectra | |
| Make | Renault | Opel |
| Model | 9 | Vectra |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1108 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 47 HP | 175 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque RPM | 2500 RPM | 1900 RPM |
| Engine Bore Size | 70 mm | 87.5 mm |
| Engine Stroke Size | 72 mm | 82 mm |
| Engine Compression Ratio | 9.2:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 820 kg | 1613 kg |
| Vehicle Length | 4070 mm | 4600 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2490 mm | 2710 mm |
| Fuel Tank Capacity | 38 L | 61 L |
