2009 BMW 520 vs. 2006 BMW 525
To start off, 2009 BMW 520 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 525 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.
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, 2006 BMW 525 (400 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2009 BMW 520. (350 Nm @ 1750 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 520.
Compare all specifications:
| 2009 BMW 520 | 2006 BMW 525 | |
| Make | BMW | BMW |
| Model | 520 | 525 |
| Year Released | 2009 | 2006 |
| 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 | 4000 RPM |
| Torque | 350 Nm | 400 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 16.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 218 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 8.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4850 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 5.1 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
