2006 Mercedes-Benz S vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz S would be higher. At 5,506 cc (12 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (493 HP @ 5000 RPM) has 278 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 655 kg more than 2009 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 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, 2006 Mercedes-Benz S (800 Nm @ 1800 RPM) has 550 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2006 Mercedes-Benz S | 2009 BMW 525 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 525 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5506 cc | 2497 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 493 HP | 215 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 800 Nm | 250 Nm |
| Torque RPM | 1800 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 78.9 mm |
| Engine Stroke Size | 87 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 4.9 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2180 kg | 1525 kg |
| Vehicle Length | 5170 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 3090 mm | 2840 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
