2005 Alpina Roadster vs. 1981 Renault 9
To start off, 2005 Alpina Roadster 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 3,346 cc (6 cylinders), 2005 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2005 Alpina Roadster (301 HP) has 234 more horse power than 1981 Renault 9. (67 HP). In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina Roadster weights approximately 766 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 Alpina Roadster (362 Nm @ 4800 RPM) has 252 more torque (in Nm) than 1981 Renault 9. (110 Nm @ 3000 RPM). This means 2005 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2005 Alpina Roadster | 1981 Renault 9 | |
| Make | Alpina | Renault |
| Model | Roadster | 9 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1397 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 67 HP |
| Torque | 362 Nm | 110 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 76 mm |
| Engine Stroke Size | 93.8 mm | 77 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1626 kg | 860 kg |
| Vehicle Length | 4100 mm | 4070 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1300 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2490 mm |
| Fuel Tank Capacity | 55 L | 38 L |
