2001 BMW X5 vs. 1981 Renault 9
To start off, 2001 BMW X5 is newer by 20 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 4,619 cc (8 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (329 HP @ 5700 RPM) has 282 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 2001 BMW X5 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 1360 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.
Compare all specifications:
| 2001 BMW X5 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | X5 | 9 |
| Year Released | 2001 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4619 cc | 1108 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 329 HP | 47 HP |
| Engine RPM | 5700 RPM | 5250 RPM |
| Torque RPM | 3700 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 70 mm |
| Engine Stroke Size | 85 mm | 72 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2180 kg | 820 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 |
| Fuel Tank Capacity | 93 L | 38 L |
