2009 BMW 525 vs. 1981 Renault 9
To start off, 2009 BMW 525 is newer by 28 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 2,497 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 161 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2009 BMW 525 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 470 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, 2009 BMW 525 (250 Nm @ 2900 RPM) has 146 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2009 BMW 525 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | 525 | 9 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1595 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 54 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 250 Nm | 104 Nm |
| Torque RPM | 2900 RPM | 2250 RPM |
| Engine Compression Ratio | 11.0:1 | 22.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1385 kg | 915 kg |
| Vehicle Length | 4850 mm | 4070 mm |
| Vehicle Width | 1470 mm | 1660 mm |
| Vehicle Height | 1850 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2490 mm |
| Fuel Tank Capacity | 70 L | 38 L |
