2003 Opel Signum vs. 1981 Renault 9
To start off, 2003 Opel Signum is newer by 22 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 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 161 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 790 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:
| 2003 Opel Signum | 1981 Renault 9 | |
| Make | Opel | Renault |
| Model | Signum | 9 |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 1108 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 47 HP |
| Engine RPM | 6200 RPM | 5250 RPM |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87.5 mm | 70 mm |
| Engine Stroke Size | 88 mm | 72 mm |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 820 kg |
| Vehicle Length | 4640 mm | 4070 mm |
| Vehicle Width | 1800 mm | 1660 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2740 mm | 2490 mm |
| Fuel Tank Capacity | 52 L | 38 L |
