2011 Mercedes-Benz CLS vs. 2008 Porsche 911
To start off, 2011 Mercedes-Benz CLS is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Porsche 911. In addition, the cost of maintenance, including insurance, on 2008 Porsche 911 would be higher. At 4,663 cc (8 cylinders), 2011 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 52 more horse power than 2008 Porsche 911. (350 HP @ 6600 RPM). In normal driving conditions, 2011 Mercedes-Benz CLS should accelerate faster than 2008 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 199 kg more than 2008 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2008 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, 2011 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 200 more torque (in Nm) than 2008 Porsche 911. (400 Nm @ 4600 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911.
Compare all specifications:
| 2011 Mercedes-Benz CLS | 2008 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | CLS | 911 |
| Year Released | 2011 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4663 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 402 HP | 350 HP |
| Engine RPM | 5000 RPM | 6600 RPM |
| Torque | 600 Nm | 400 Nm |
| Torque RPM | 1800 RPM | 4600 RPM |
| Engine Compression Ratio | 12.0:1 | 11.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 288 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 4.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | 7-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1536 kg |
| Vehicle Length | 4940 mm | 4430 mm |
| Vehicle Width | 1882 mm | 1860 mm |
| Vehicle Height | 1417 mm | 1310 mm |
| Wheelbase Size | 2875 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 67 L |
