2006 Jeep Commander vs. 1999 Fiat Siena

To start off, 2006 Jeep Commander is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Fiat Siena. In addition, the cost of maintenance, including insurance, on 1999 Fiat Siena would be higher. At 3,704 cc (6 cylinders), 2006 Jeep Commander is equipped with a bigger engine. In terms of performance, 2006 Jeep Commander (210 HP @ 5200 RPM) has 159 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 2006 Jeep Commander should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Commander weights approximately 377 kg more than 1999 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2006 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 1999 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Jeep Commander (319 Nm) has 119 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 2006 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena. 2006 Jeep Commander has automatic transmission and 1999 Fiat Siena has manual transmission. 1999 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Jeep Commander will be easier to drive especially in heavy traffic.

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