2005 Chrysler Pacifica vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chrysler Pacifica. In addition, the cost of maintenance, including insurance, on 2005 Chrysler Pacifica would be higher. At 3,523 cc (6 cylinders), 2005 Chrysler Pacifica is equipped with a bigger engine. In terms of performance, 2005 Chrysler Pacifica (253 HP @ 6400 RPM) has 181 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2005 Chrysler Pacifica should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chrysler Pacifica weights approximately 1095 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Chrysler Pacifica is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Chrysler Pacifica (346 Nm @ 3800 RPM) has 244 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 2005 Chrysler Pacifica will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2005 Chrysler Pacifica has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chrysler Pacifica will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chrysler Pacifica | 2007 Fiat Siena | |
| Make | Chrysler | Fiat |
| Model | Pacifica | Siena |
| Year Released | 2005 | 2007 |
| Body Type | Crossover | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3523 cc | 1242 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 72 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 346 Nm | 102 Nm |
| Torque RPM | 3800 RPM | 3250 RPM |
| Engine Compression Ratio | 9.9:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2165 kg | 1070 kg |
| Vehicle Length | 5060 mm | 3830 mm |
| Vehicle Width | 2020 mm | 1640 mm |
| Vehicle Height | 1700 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2380 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 87 L | 54 L |
