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 5,513 cc (12 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (510 HP @ 5000 RPM) has 65 more horse power than 2005 Porsche 911. (445 HP @ 6000 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 365 kg more than 2009 Mercedes-Benz S.
Let's talk about torque, 2009 Mercedes-Benz S (830 Nm) has 210 more torque (in Nm) than 2005 Porsche 911. (620 Nm). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
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 | 5513 cc | 3605 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 445 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 830 Nm | 620 Nm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1225 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 Highway | 13.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 21.4 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 18.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
