2009 BMW M6 vs. 2007 BMW 525
To start off, 2009 BMW M6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 525. In addition, the cost of maintenance, including insurance, on 2007 BMW 525 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 285 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2007 BMW 525.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M6. In wet, icy, snow, or gravel driving conditions, 2007 BMW 525 will offer significantly more control. 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 M6 (519 Nm @ 6100 RPM) has 268 more torque (in Nm) than 2007 BMW 525. (251 Nm @ 2750 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2009 BMW M6 | 2007 BMW 525 | |
| Make | BMW | BMW |
| Model | M6 | 525 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2497 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 215 HP |
| Engine RPM | 7750 RPM | 6500 RPM |
| Torque | 519 Nm | 251 Nm |
| Torque RPM | 6100 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1280 kg |
| Vehicle Length | 4880 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1500 mm |
| Wheelbase Size | 2790 mm | 2840 mm |
| Fuel Consumption Overall | 18.2 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
