2009 BMW 525 vs. 2004 Mercedes-Benz S
To start off, 2009 BMW 525 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz S would be higher. At 3,724 cc (6 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (242 HP @ 5700 RPM) has 27 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 240 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, 2004 Mercedes-Benz S (351 Nm @ 3000 RPM) has 101 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 2004 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2009 BMW 525 | 2004 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | S |
| Year Released | 2009 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3724 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 242 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 250 Nm | 351 Nm |
| Torque RPM | 2900 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1735 kg |
| Vehicle Length | 4850 mm | 5170 mm |
| Vehicle Width | 1470 mm | 1860 mm |
| Vehicle Height | 1850 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 3090 mm |
| Fuel Tank Capacity | 70 L | 62 L |
