2005 Mercedes-Benz S vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (473 HP @ 6000 RPM) has 171 more horse power than 2005 Mercedes-Benz S. (302 HP @ 4200 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 301 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche 911 (620 Nm @ 1950 RPM) has 160 more torque (in Nm) than 2005 Mercedes-Benz S. (460 Nm @ 2700 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S.
Compare all specifications:
| 2005 Mercedes-Benz S | 2007 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | S | 911 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4966 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 473 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 460 Nm | 620 Nm |
| Torque RPM | 2700 RPM | 1950 RPM |
| Engine Compression Ratio | 10.0:1 | 10.1:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1891 kg | 1590 kg |
| Vehicle Length | 5170 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2970 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
