2003 BMW 520 vs. 1981 Renault 9
To start off, 2003 BMW 520 is newer by 22 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 2,170 cc (6 cylinders), 2003 BMW 520 is equipped with a bigger engine. In terms of performance, 2003 BMW 520 (167 HP) has 100 more horse power than 1981 Renault 9. (67 HP). In normal driving conditions, 2003 BMW 520 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 810 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, 2003 BMW 520 (210 Nm @ 3500 RPM) has 100 more torque (in Nm) than 1981 Renault 9. (110 Nm @ 3000 RPM). This means 2003 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2003 BMW 520 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | 520 | 9 |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 1397 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 167 HP | 67 HP |
| Torque | 210 Nm | 110 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 76 mm |
| Engine Stroke Size | 72 mm | 77 mm |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 860 kg |
| Vehicle Length | 4810 mm | 4070 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2490 mm |
| Fuel Tank Capacity | 70 L | 38 L |
