2002 Fiat Siena vs. 2007 GMC Sierra

To start off, 2007 GMC Sierra is newer by 5 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 190 more horse power than 2002 Fiat Siena. (122 HP @ 5250 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2002 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1334 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 2007 GMC Sierra 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, 2007 GMC Sierra 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, 2007 GMC Sierra (506 Nm) has 419 more torque (in Nm) than 2002 Fiat Siena. (87 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena. 2007 GMC Sierra 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. 2007 GMC Sierra will be easier to drive especially in heavy traffic.

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