2007 Mercedes-Benz CLS vs. 2005 Porsche 911
To start off, 2007 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 5,460 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 62 more horse power than 2007 Mercedes-Benz CLS. (382 HP @ 6000 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Mercedes-Benz CLS.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2007 Mercedes-Benz CLS. (530 Nm @ 2800 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz CLS. 2007 Mercedes-Benz CLS has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | CLS | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5460 cc | 3605 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 382 HP | 444 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 530 Nm | 620 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Engine Bore Size | 98 mm | 100 mm |
| Engine Stroke Size | 90.5 mm | 76 mm |
| Engine Compression Ratio | 10.7:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4910 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2860 mm | 2360 mm |
| Fuel Consumption | 10.7 L/100km | 10.7 L/100km |
| Fuel Consumption City | 15.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
