2006 BMW 525 vs. 2005 Mercedes-Benz SL
To start off, 2006 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SL would be higher. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4200 RPM) has 278 more horse power than 2006 BMW 525. (215 HP @ 6250 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2006 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 291 kg more than 2006 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, 2005 Mercedes-Benz SL (700 Nm) has 449 more torque (in Nm) than 2006 BMW 525. (251 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 2005 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SL |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 493 HP |
| Engine RPM | 6250 RPM | 4200 RPM |
| Torque | 251 Nm | 700 Nm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1921 kg |
| Vehicle Length | 4860 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption | 7.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 7.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
