2009 Mercedes-Benz B vs. 2013 Porsche Cayenne
To start off, 2013 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz B would be higher. At 4,800 cc (8 cylinders), 2013 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2013 Porsche Cayenne (493 HP @ 6000 RPM) has 385 more horse power than 2009 Mercedes-Benz B. (108 HP @ 4200 RPM) In normal driving conditions, 2013 Porsche Cayenne should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche Cayenne weights approximately 805 kg more than 2009 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Porsche Cayenne is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 Porsche Cayenne (700 Nm @ 4500 RPM) has 450 more torque (in Nm) than 2009 Mercedes-Benz B. (250 Nm @ 1600 RPM). This means 2013 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz B.
Compare all specifications:
| 2009 Mercedes-Benz B | 2013 Porsche Cayenne | |
| Make | Mercedes-Benz | Porsche |
| Model | B | Cayenne |
| Year Released | 2009 | 2013 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Rear |
| Engine Size | 1991 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 493 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 250 Nm | 700 Nm |
| Torque RPM | 1600 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 96 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 18.0:1 | 10.5 : 1 |
| Fuel Type | Diesel | Diesel / Electric Hybrid |
| Top Speed | 183 km/hour | 278 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 4.7 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1440 kg | 2245 kg |
| Vehicle Length | 4280 mm | 4846 mm |
| Vehicle Width | 1780 mm | 2154 mm |
| Vehicle Height | 1610 mm | 1702 mm |
| Wheelbase Size | 2780 mm | 2895 mm |
