2008 BMW 525 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 525. In addition, the cost of maintenance, including insurance, on 2008 BMW 525 would be higher. At 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (604 HP @ 4800 RPM) has 389 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 455 kg more than 2008 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, 2009 Mercedes-Benz SL (1,001 Nm @ 2000 RPM) has 750 more torque (in Nm) than 2008 BMW 525. (251 Nm @ 2900 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2008 BMW 525 | 2009 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SL |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5980 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 604 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 251 Nm | 1001 Nm |
| Torque RPM | 2900 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 300 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1950 kg |
| Vehicle Length | 4870 mm | 4540 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption Overall | 9.4 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
