2004 BMW 525 vs. 2005 BMW M6
To start off, 2005 BMW M6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 4,998 cc (10 cylinders), 2005 BMW M6 is equipped with a bigger engine. In terms of performance, 2005 BMW M6 (500 HP @ 7750 RPM) has 326 more horse power than 2004 BMW 525. (174 HP @ 4000 RPM) In normal driving conditions, 2005 BMW M6 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M6 weights approximately 80 kg more than 2004 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, 2005 BMW M6 (500 Nm @ 6100 RPM) has 90 more torque (in Nm) than 2004 BMW 525. (410 Nm @ 2000 RPM). This means 2005 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525.
Compare all specifications:
| 2004 BMW 525 | 2005 BMW M6 | |
| Make | BMW | BMW |
| Model | 525 | M6 |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4998 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 500 HP |
| Engine RPM | 4000 RPM | 7750 RPM |
| Torque | 410 Nm | 500 Nm |
| Torque RPM | 2000 RPM | 6100 RPM |
| Engine Bore Size | 84.1 mm | 92 mm |
| Engine Stroke Size | 75.1 mm | 75.2 mm |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Acceleration 0-100mph | 8.3 seconds | 4.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1705 kg | 1785 kg |
| Vehicle Length | 4850 mm | 4880 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 7.8 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
