2008 Mercedes-Benz SL vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz SL would be higher. At 5,439 cc (8 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (510 HP @ 6100 RPM) has 165 more horse power than 2011 Porsche 911. (345 HP @ 6500 RPM). In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2011 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SL weights approximately 425 kg more than 2011 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2011 Porsche 911 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, 2008 Mercedes-Benz SL (720 Nm @ 2600 RPM) has 330 more torque (in Nm) than 2011 Porsche 911. (390 Nm @ 4400 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911. 2008 Mercedes-Benz SL has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mercedes-Benz SL | 2011 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | SL | 911 |
| Year Released | 2008 | 2011 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5439 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 345 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 720 Nm | 390 Nm |
| Torque RPM | 2600 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1955 kg | 1530 kg |
| Vehicle Length | 4540 mm | 4460 mm |
| Vehicle Width | 1820 mm | 1852 mm |
| Vehicle Height | 1300 mm | 1311 mm |
| Wheelbase Size | 2570 mm | 2350 mm |
| Fuel Consumption Highway | 11.9 L/100km | 9.4 L/100km |
| Fuel Consumption City | 17 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 80 L | 67 L |
