2009 BMW 525 vs. 2012 Mercedes-Benz SLS
To start off, 2012 Mercedes-Benz SLS is newer by 3 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), 2012 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz SLS (563 HP @ 6800 RPM) has 348 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2012 Mercedes-Benz SLS should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz SLS weights approximately 136 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 2012 Mercedes-Benz SLS. 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, 2012 Mercedes-Benz SLS (649 Nm @ 4750 RPM) has 399 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 2012 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 2012 Mercedes-Benz SLS has automatic transmission and 2009 BMW 525 has manual transmission. 2009 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz SLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 525 | 2012 Mercedes-Benz SLS | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SLS |
| Year Released | 2009 | 2012 |
| 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 | 215 HP | 563 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 250 Nm | 649 Nm |
| Torque RPM | 2750 RPM | 4750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.5 seconds | 3.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 7-speed automated manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1661 kg |
| Vehicle Length | 4850 mm | 4638 mm |
| Vehicle Width | 1850 mm | 1938 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 85 L |
