1981 Renault 9 vs. 2009 BMW 325
To start off, 2009 BMW 325 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 2,494 cc (6 cylinders), 2009 BMW 325 is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (215 HP @ 6100 RPM) has 161 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM) In normal driving conditions, 2009 BMW 325 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 700 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 325 (270 Nm @ 2400 RPM) has 166 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2009 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 | 2009 BMW 325 | |
| Make | Renault | BMW |
| Model | 9 | 325 |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 54 HP | 215 HP |
| Engine RPM | 4800 RPM | 6100 RPM |
| Torque | 104 Nm | 270 Nm |
| Torque RPM | 2250 RPM | 2400 RPM |
| Engine Bore Size | 78 mm | 85 mm |
| Engine Stroke Size | 83.5 mm | 88 mm |
| Engine Compression Ratio | 22.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 915 kg | 1615 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 |
| Fuel Tank Capacity | 38 L | 63 L |
