2005 Mercedes-Benz C vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (399 HP @ 6500 RPM) has 178 more horse power than 2005 Mercedes-Benz C. (221 HP @ 3800 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 330 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2009 Porsche Cayenne 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 Porsche Cayenne (500 Nm @ 3500 RPM) has 100 more torque (in Nm) than 2005 Mercedes-Benz C. (400 Nm @ 1400 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2005 Mercedes-Benz C | 2009 Porsche Cayenne | |
| Make | Mercedes-Benz | Porsche |
| Model | C | Cayenne |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 4806 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 399 HP |
| Engine RPM | 3800 RPM | 6500 RPM |
| Torque | 400 Nm | 500 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Compression Ratio | 18.0:1 | 12.5:1 |
| Top Speed | 239 km/hour | 253 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1680 kg | 1350 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1730 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1930 mm |
| Wheelbase Size | 2570 mm | 2860 mm |
| Fuel Tank Capacity | 62 L | 100 L |
