2007 Porsche Cayenne vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2007 Porsche Cayenne would be higher. At 3,598 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1090 kg more than 2009 Fiat Siena.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche Cayenne (385 Nm @ 3000 RPM) has 283 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2007 Porsche Cayenne | 2009 Fiat Siena | |
| Make | Porsche | Fiat |
| Model | Cayenne | Siena |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 1242 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 287 HP | 0 HP |
| Torque | 385 Nm | 102 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Compression Ratio | 12.3:1 | 9.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 227 km/hour | 159 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 13.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2160 kg | 1070 kg |
| Vehicle Length | 4430 mm | 3830 mm |
| Vehicle Width | 1930 mm | 1640 mm |
| Vehicle Height | 1710 mm | 1440 mm |
| Wheelbase Size | 2860 mm | 2380 mm |
| Fuel Consumption Overall | 12.9 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 100 L | 54 L |
