2005 Alpina B3 vs. 1981 Renault 9
To start off, 2005 Alpina B3 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 3,347 cc (6 cylinders), 2005 Alpina B3 is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 216 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B3 weights approximately 1044 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 B3 (363 Nm @ 4800 RPM) has 224 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2005 Alpina B3 | 1981 Renault 9 | |
| Make | Alpina | Renault |
| Model | B3 | 9 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 85 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 363 Nm | 139 Nm |
| Torque RPM | 4800 RPM | 3250 RPM |
| Engine Bore Size | 87 mm | 81 mm |
| Engine Stroke Size | 93.1 mm | 83.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1950 kg | 906 kg |
| Vehicle Length | 4490 mm | 4070 mm |
| Vehicle Width | 1760 mm | 1660 mm |
| Vehicle Height | 1370 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2490 mm |
