2005 Mercedes-Benz S vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 3,723 cc (6 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (242 HP @ 3000 RPM) has 27 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 229 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.
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 Mercedes-Benz S (350 Nm @ 3000 RPM) has 100 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2005 Mercedes-Benz S | 2009 BMW 525 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 525 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3723 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 242 HP | 215 HP |
| Engine RPM | 3000 RPM | 6500 RPM |
| Torque | 350 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 97 mm | 78.8 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Top Speed | 241 km/hour | 240 km/hour |
| Acceleration 0-100mph | 7.6 seconds | 7.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1915 kg | 1686 kg |
| Vehicle Length | 5050 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
