2009 BMW 520 vs. 2009 BMW 523
To start off, both 2009 BMW 520 and 2009 BMW 523 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger 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. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 520 weights approximately 20 kg more than 2009 BMW 523.
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 520 (350 Nm @ 1750 RPM) has 120 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2009 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 520 | 2009 BMW 523 | |
| Make | BMW | BMW |
| Model | 520 | 523 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 350 Nm | 230 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Compression Ratio | 16.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1565 kg |
| Vehicle Length | 4850 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 5.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
