2007 Porsche Cayenne vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 3 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 3,189 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (248 HP @ 6000 RPM) has 142 more horse power than 2010 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 2010 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1065 kg more than 2010 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2010 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 (310 Nm @ 2500 RPM) has 170 more torque (in Nm) than 2010 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 2007 Porsche Cayenne | 2010 Fiat Siena | |
| Make | Porsche | Fiat |
| Model | Cayenne | Siena |
| Year Released | 2007 | 2010 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 248 HP | 106 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 310 Nm | 140 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86.5 mm |
| Engine Stroke Size | 95.9 mm | 67.4 mm |
| Engine Compression Ratio | 11.5:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.1 seconds | 10.5 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 | 1095 kg |
| Vehicle Length | 4790 mm | 3550 mm |
| Vehicle Width | 1930 mm | 1640 mm |
| Vehicle Height | 1710 mm | 1490 mm |
| Wheelbase Size | 2860 mm | 2370 mm |
| Fuel Consumption Overall | 13.2 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 100 L | 47 L |
