2005 Mercedes-Benz S vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 6 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 4,266 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (530 HP @ 6250 RPM) has 255 more horse power than 2005 Mercedes-Benz S. (275 HP @ 5500 RPM) In normal driving conditions, 2011 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 320 kg more than 2011 Porsche 911.
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 Porsche 911 (699 Nm @ 2100 RPM) has 298 more torque (in Nm) than 2005 Mercedes-Benz S. (401 Nm @ 3000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S. 2005 Mercedes-Benz S has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz S | 2011 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | S | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4266 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 275 HP | 530 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 401 Nm | 699 Nm |
| Torque RPM | 3000 RPM | 2100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1980 kg | 1660 kg |
| Vehicle Length | 5050 mm | 4478 mm |
| Vehicle Width | 1860 mm | 1852 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2350 mm |
| Fuel Tank Capacity | 88 L | 67 L |
