2008 Mercedes-Benz Viano vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz Viano 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 (380 HP @ 6200 RPM) has 193 more horse power than 2008 Mercedes-Benz Viano. (187 HP @ 5600 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2008 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz Viano weights approximately 735 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz Viano. 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 229 more torque (in Nm) than 2008 Mercedes-Benz Viano. (271 Nm @ 2750 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz Viano. 2008 Mercedes-Benz Viano has automatic transmission and 2009 Porsche Cayenne has manual transmission. 2009 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz Viano will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mercedes-Benz Viano | 2009 Porsche Cayenne | |
| Make | Mercedes-Benz | Porsche |
| Model | Viano | Cayenne |
| Year Released | 2008 | 2009 |
| Body Type | Minivan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 4806 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 187 HP | 380 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 271 Nm | 500 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 89.9 mm | 96 mm |
| Engine Stroke Size | 84 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 181 km/hour | 252 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 6.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2085 kg | 1350 kg |
| Vehicle Length | 5000 mm | 4800 mm |
| Vehicle Width | 1910 mm | 1710 mm |
| Vehicle Height | 1880 mm | 1930 mm |
| Wheelbase Size | 3210 mm | 2860 mm |
| Fuel Consumption Overall | 12.5 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 75 L | 100 L |
