2006 Chrysler Pacifica vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2006 Chrysler Pacifica. In addition, the cost of maintenance, including insurance, on 2006 Chrysler Pacifica would be higher. At 3,966 cc (6 cylinders), 2006 Chrysler Pacifica is equipped with a bigger engine. In terms of performance, 2006 Chrysler Pacifica (251 HP @ 6400 RPM) has 145 more horse power than 2010 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2006 Chrysler Pacifica should accelerate faster than 2010 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chrysler Pacifica weights approximately 525 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 2006 Chrysler Pacifica 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, 2006 Chrysler Pacifica 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, 2006 Chrysler Pacifica (339 Nm @ 4000 RPM) has 199 more torque (in Nm) than 2010 Fiat Siena. (140 Nm @ 4000 RPM). This means 2006 Chrysler Pacifica will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 2006 Chrysler Pacifica | 2010 Fiat Siena | |
| Make | Chrysler | Fiat |
| Model | Pacifica | Siena |
| Year Released | 2006 | 2010 |
| Body Type | Crossover | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3966 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 251 HP | 106 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 339 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1620 kg | 1095 kg |
| Vehicle Length | 5060 mm | 3550 mm |
| Vehicle Width | 2020 mm | 1640 mm |
| Vehicle Height | 1700 mm | 1490 mm |
| Wheelbase Size | 2960 mm | 2370 mm |
| Fuel Consumption Overall | 12.4 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 87 L | 47 L |
