2009 BMW 525 vs. 2007 Mercedes-Benz SL
To start off, 2009 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (510 HP @ 5000 RPM) has 295 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2007 Mercedes-Benz SL should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SL weights approximately 520 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, 2007 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 579 more torque (in Nm) than 2009 BMW 525. (251 Nm @ 2900 RPM). This means 2007 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 2007 Mercedes-Benz SL 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. 2007 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 525 | 2007 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SL |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 510 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 251 Nm | 830 Nm |
| Torque RPM | 2900 RPM | 1900 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 78.8 mm | 87 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 7.5 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1525 kg | 2045 kg |
| Vehicle Length | 4850 mm | 4540 mm |
| Vehicle Width | 1470 mm | 1830 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption Overall | 6.5 L/100km | 14.3 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
