2009 Mercedes-Benz SL vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz SL would be higher. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (518 HP @ 6800 RPM) has 98 more horse power than 2011 Infiniti M. (420 HP @ 6000 RPM). In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2011 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 676 kg more than 2009 Mercedes-Benz SL.
Because 2011 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti M will offer significantly more control. 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 (630 Nm @ 5200 RPM) has 65 more torque (in Nm) than 2011 Infiniti M. (565 Nm @ 4400 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti M.
Compare all specifications:
| 2009 Mercedes-Benz SL | 2011 Infiniti M | |
| Make | Mercedes-Benz | Infiniti |
| Model | SL | M |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6208 cc | 5600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 518 HP | 420 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 630 Nm | 565 Nm |
| Torque RPM | 5200 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1240 kg | 1916 kg |
| Vehicle Length | 4540 mm | 4945 mm |
| Vehicle Width | 1480 mm | 1844 mm |
| Vehicle Height | 1600 mm | 1514 mm |
| Wheelbase Size | 2570 mm | 2901 mm |
| Fuel Consumption City | 19.6 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 80 L | 76 L |
