2005 BMW 525 vs. 2009 BMW 750
To start off, 2009 BMW 750 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 525. In addition, the cost of maintenance, including insurance, on 2005 BMW 525 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 750 is equipped with a bigger engine. In terms of performance, 2009 BMW 750 (363 HP @ 6300 RPM) has 148 more horse power than 2005 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 750 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 750 weights approximately 380 kg more than 2005 BMW 525. 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 750 (490 Nm @ 3400 RPM) has 240 more torque (in Nm) than 2005 BMW 525. (250 Nm @ 2750 RPM). This means 2009 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 525.
Compare all specifications:
| 2005 BMW 525 | 2009 BMW 750 | |
| Make | BMW | BMW |
| Model | 525 | 750 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 363 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 250 Nm | 490 Nm |
| Torque RPM | 2750 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 242 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.9 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 | 1570 kg | 1950 kg |
| Vehicle Length | 4780 mm | 5190 mm |
| Vehicle Width | 1810 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 3000 mm | 3130 mm |
| Fuel Consumption City | 14.4 L/100km | 16.9 L/100km |
| Fuel Consumption Overall | 10.3 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
