2009 BMW 525 vs. 2007 BMW 323
To start off, 2009 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 323. In addition, the cost of maintenance, including insurance, on 2007 BMW 323 would be higher. Both 2009 BMW 525 and 2007 BMW 323 are equipped with a 2,497 cc engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 40 more horse power than 2007 BMW 323. (175 HP @ 5800 RPM). In normal driving conditions, 2009 BMW 525 should accelerate faster than 2007 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 196 kg more than 2007 BMW 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW 525 (250 Nm @ 2750 RPM) has 19 more torque (in Nm) than 2007 BMW 323. (231 Nm @ 3500 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 323.
Compare all specifications:
| 2009 BMW 525 | 2007 BMW 323 | |
| Make | BMW | BMW |
| Model | 525 | 323 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2497 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 231 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 78.8 mm | 78.8 mm |
| Engine Stroke Size | 82 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 240 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1686 kg | 1490 kg |
| Vehicle Length | 4850 mm | 4530 mm |
| Vehicle Width | 1850 mm | 1430 mm |
| Vehicle Height | 1500 mm | 1820 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
