2009 BMW M3 vs. 2011 Mercedes-Benz SL
To start off, 2011 Mercedes-Benz SL is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW M3. In addition, the cost of maintenance, including insurance, on 2009 BMW M3 would be higher. At 6,200 cc (8 cylinders), 2011 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SL (518 HP @ 6800 RPM) has 104 more horse power than 2009 BMW M3. (414 HP @ 8300 RPM) In normal driving conditions, 2011 Mercedes-Benz SL should accelerate faster than 2009 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz SL weights approximately 554 kg more than 2009 BMW M3. 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, 2011 Mercedes-Benz SL (630 Nm @ 5200 RPM) has 229 more torque (in Nm) than 2009 BMW M3. (401 Nm @ 3900 RPM). This means 2011 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M3. 2011 Mercedes-Benz SL has automatic transmission and 2009 BMW M3 has manual transmission. 2009 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M3 | 2011 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | M3 | SL |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 6200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 518 HP |
| Engine RPM | 8300 RPM | 6800 RPM |
| Torque | 401 Nm | 630 Nm |
| Torque RPM | 3900 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1939 kg |
| Vehicle Length | 4620 mm | 4592 mm |
| Vehicle Width | 1420 mm | 1816 mm |
| Vehicle Height | 1810 mm | 1298 mm |
| Wheelbase Size | 2770 mm | 2560 mm |
| Fuel Tank Capacity | 63 L | 80 L |
