2007 BMW 323 vs. 2009 BMW 523
To start off, 2009 BMW 523 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 2007 BMW 323 and 2009 BMW 523 are equipped with a 2,497 cc engine. In terms of performance, both vehicles can yield 175 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
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, 2007 BMW 323 (231 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2007 BMW 323 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2007 BMW 323 | 2009 BMW 523 | |
| Make | BMW | BMW |
| Model | 323 | 523 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2497 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 231 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 78.8 mm | 82 mm |
| Engine Stroke Size | 82 mm | 78.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 7.9 seconds | 8.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1490 kg |
| Vehicle Length | 4530 mm | 4850 mm |
| Vehicle Width | 1430 mm | 1470 mm |
| Vehicle Height | 1820 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
