1981 Renault 9 vs. 2011 BMW 325
To start off, 2011 BMW 325 is newer by 30 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 2,494 cc (6 cylinders), 2011 BMW 325 is equipped with a bigger engine. In terms of performance, 2011 BMW 325 (215 HP @ 6500 RPM) has 130 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM) In normal driving conditions, 2011 BMW 325 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 325 weights approximately 619 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, 2011 BMW 325 (250 Nm @ 2750 RPM) has 111 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2011 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1981 Renault 9 | 2011 BMW 325 | |
| Make | Renault | BMW |
| Model | 9 | 325 |
| Year Released | 1981 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 215 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 139 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 78.8 mm |
| Engine Stroke Size | 83.5 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 906 kg | 1525 kg |
| Vehicle Length | 4070 mm | 4530 mm |
| Vehicle Width | 1660 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2490 mm | 2770 mm |
