2006 BMW X5 vs. 1981 Renault 9
To start off, 2006 BMW X5 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 X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (316 HP @ 6100 RPM) has 231 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 1289 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 X5 (440 Nm @ 3700 RPM) has 301 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2006 BMW X5 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | X5 | 9 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 316 HP | 85 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 440 Nm | 139 Nm |
| Torque RPM | 3700 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 | 2195 kg | 906 kg |
| Vehicle Length | 4670 mm | 4070 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1710 mm | 1410 mm |
| Wheelbase Size | 2830 mm | 2490 mm |
