2004 BMW 645 vs. 1981 Renault 9
To start off, 2004 BMW 645 is newer by 23 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), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 243 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 784 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 311 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
2004 BMW 645 | 1981 Renault 9 | |
Make | BMW | Renault |
Model | 645 | 9 |
Year Released | 2004 | 1981 |
Engine Position | Front | Front |
Engine Size | 4398 cc | 1721 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 328 HP | 85 HP |
Engine RPM | 6100 RPM | 5000 RPM |
Torque | 450 Nm | 139 Nm |
Torque RPM | 3600 RPM | 3250 RPM |
Engine Bore Size | 92 mm | 81 mm |
Engine Stroke Size | 82.7 mm | 83.5 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Vehicle Weight | 1690 kg | 906 kg |
Vehicle Length | 4830 mm | 4070 mm |
Vehicle Width | 1860 mm | 1660 mm |
Vehicle Height | 1380 mm | 1410 mm |
Wheelbase Size | 2830 mm | 2490 mm |