2009 BMW 525 vs. 2011 Mercedes-Benz SLS
To start off, 2011 Mercedes-Benz SLS is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 525. In addition, the cost of maintenance, including insurance, on 2009 BMW 525 would be higher. At 6,200 cc (8 cylinders), 2011 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SLS (563 HP @ 6800 RPM) has 388 more horse power than 2009 BMW 525. (175 HP @ 4000 RPM) In normal driving conditions, 2011 Mercedes-Benz SLS should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 129 kg more than 2011 Mercedes-Benz SLS.
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, 2011 Mercedes-Benz SLS (649 Nm @ 4750 RPM) has 249 more torque (in Nm) than 2009 BMW 525. (400 Nm @ 2000 RPM). This means 2011 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2009 BMW 525 | 2011 Mercedes-Benz SLS | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SLS |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 6200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 563 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 400 Nm | 649 Nm |
| Torque RPM | 2000 RPM | 4750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1621 kg |
| Vehicle Length | 4850 mm | 4638 mm |
| Vehicle Width | 1850 mm | 1938 mm |
| Vehicle Height | 1500 mm | 1252 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 85 L |
