2009 BMW 135 vs. 2006 Mercedes-Benz SL
To start off, 2009 BMW 135 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 2006 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, both vehicles can yield 302 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 135 weights approximately 90 kg more than 2006 Mercedes-Benz SL.
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, 2006 Mercedes-Benz SL (460 Nm @ 2700 RPM) has 60 more torque (in Nm) than 2009 BMW 135. (400 Nm @ 1300 RPM). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 135.
Compare all specifications:
| 2009 BMW 135 | 2006 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 135 | SL |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2978 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 302 HP | 302 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 400 Nm | 460 Nm |
| Torque RPM | 1300 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 89.6 mm | 84 mm |
| Engine Compression Ratio | 10.2:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.7 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1435 kg |
| Vehicle Length | 4370 mm | 4540 mm |
| Vehicle Width | 1420 mm | 1820 mm |
| Vehicle Height | 1760 mm | 1300 mm |
| Wheelbase Size | 2670 mm | 2570 mm |
| Fuel Consumption Overall | 10.5 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 53 L | 80 L |
