2008 Mercedes-Benz SL vs. 2012 Porsche Cayenne
To start off, 2012 Porsche Cayenne is newer by 4 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 5,513 cc (12 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (510 HP @ 5000 RPM) has 10 more horse power than 2012 Porsche Cayenne. (500 HP @ 6000 RPM). In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2012 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2012 Porsche Cayenne weights approximately 220 kg more than 2008 Mercedes-Benz SL.
Because 2012 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2012 Porsche Cayenne 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 (830 Nm @ 1900 RPM) has 131 more torque (in Nm) than 2012 Porsche Cayenne. (699 Nm @ 2250 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2012 Porsche Cayenne.
Compare all specifications:
| 2008 Mercedes-Benz SL | 2012 Porsche Cayenne | |
| Make | Mercedes-Benz | Porsche |
| Model | SL | Cayenne |
| Year Released | 2008 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 4806 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 500 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 830 Nm | 699 Nm |
| Torque RPM | 1900 RPM | 2250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1950 kg | 2170 kg |
| Vehicle Length | 4540 mm | 4846 mm |
| Vehicle Width | 1820 mm | 1939 mm |
| Vehicle Height | 1830 mm | 1705 mm |
| Wheelbase Size | 2570 mm | 2896 mm |
| Fuel Consumption Highway | 13.1 L/100km | 10.7 L/100km |
| Fuel Consumption City | 18.1 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 80 L | 100 L |
