2009 Mercedes-Benz S vs. 2005 Porsche 911
To start off, 2009 Mercedes-Benz S is newer by 4 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 6,208 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (518 HP @ 6800 RPM) has 73 more horse power than 2005 Porsche 911. (445 HP @ 5700 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 264 kg more than 2009 Mercedes-Benz S.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz S. 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, 2009 Mercedes-Benz S (631 Nm @ 5200 RPM) has 11 more torque (in Nm) than 2005 Porsche 911. (620 Nm @ 3500 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2009 Mercedes-Benz S 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. 2009 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercedes-Benz S | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | S | 911 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 6208 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 518 HP | 445 HP |
| Engine RPM | 6800 RPM | 5700 RPM |
| Torque | 631 Nm | 620 Nm |
| Torque RPM | 5200 RPM | 3500 RPM |
| Engine Compression Ratio | 8.8:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1326 kg | 1590 kg |
| Vehicle Length | 5210 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1480 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2360 mm |
| Fuel Consumption Overall | 18.1 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
