2006 BMW 645 vs. 1981 Renault 9
To start off, 2006 BMW 645 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 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP) has 261 more horse power than 1981 Renault 9. (67 HP). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 950 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 340 more torque (in Nm) than 1981 Renault 9. (110 Nm @ 3000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2006 BMW 645 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | 645 | 9 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1397 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 67 HP |
| Torque | 450 Nm | 110 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 860 kg |
| Vehicle Length | 4830 mm | 4070 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2790 mm | 2490 mm |
| Fuel Tank Capacity | 70 L | 38 L |
