2007 Fiat Siena vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 5,654 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (358 HP @ 5200 RPM) has 290 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 953 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 2009 Jeep Commander is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Jeep Commander. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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 Jeep Commander (527 Nm @ 4350 RPM) has 392 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2009 Jeep Commander 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. 2009 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 Fiat Siena | 2009 Jeep Commander | |
Make | Fiat | Jeep |
Model | Siena | Commander |
Year Released | 2007 | 2009 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 1697 cc | 5654 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 68 HP | 358 HP |
Engine RPM | 4600 RPM | 5200 RPM |
Torque | 135 Nm | 527 Nm |
Torque RPM | 2500 RPM | 4350 RPM |
Engine Compression Ratio | 20.3:1 | 9.6:1 |
Fuel Type | Diesel | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 7 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1090 kg | 2043 kg |
Vehicle Length | 4140 mm | 4790 mm |
Vehicle Width | 1640 mm | 1910 mm |
Vehicle Height | 1440 mm | 1840 mm |
Wheelbase Size | 2380 mm | 2790 mm |
Fuel Consumption Overall | 6.9 L/100km | 14.7 L/100km |
Fuel Tank Capacity | 47 L | 80 L |