2007 Mercedes-Benz C vs. 2005 Porsche 911
To start off, 2007 Mercedes-Benz C 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 3,587 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (321 HP @ 4250 RPM) has 180 more horse power than 2007 Mercedes-Benz C. (141 HP @ 5300 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 45 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz C. 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 (370 Nm @ 4250 RPM) has 150 more torque (in Nm) than 2007 Mercedes-Benz C. (220 Nm @ 3500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2007 Mercedes-Benz C | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | C | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1796 cc | 3587 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 321 HP |
| Engine RPM | 5300 RPM | 4250 RPM |
| Torque | 220 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 85 mm | 82.8 mm |
| Engine Compression Ratio | 10.2:1 | 11.3:1 |
| Top Speed | 220 km/hour | 285 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 5.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1485 kg |
| Vehicle Length | 4530 mm | 4440 mm |
| Vehicle Width | 1430 mm | 1780 mm |
| Vehicle Height | 1730 mm | 1310 mm |
| Wheelbase Size | 2720 mm | 2360 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 62 L | 64 L |
