2002 Fiat Siena vs. 2009 Jeep Commander

To start off, 2009 Jeep Commander is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2002 Fiat Siena would be higher. At 4,701 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (229 HP @ 4500 RPM) has 107 more horse power than 2002 Fiat Siena. (122 HP @ 5250 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 2002 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 961 kg more than 2002 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 four wheel drive (4WD), it will have significant more traction and grip than 2002 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 Jeep Commander 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, 2009 Jeep Commander (410 Nm) has 323 more torque (in Nm) than 2002 Fiat Siena. (87 Nm). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena. 2009 Jeep Commander has automatic transmission and 2002 Fiat Siena has manual transmission. 2002 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.

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