2005 Lexus IS vs. 2009 Lexus GX

To start off, 2009 Lexus GX is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Lexus IS. In addition, the cost of maintenance, including insurance, on 2005 Lexus IS would be higher. At 4,670 cc (8 cylinders), 2009 Lexus GX is equipped with a bigger engine. In terms of performance, 2009 Lexus GX (263 HP @ 5400 RPM) has 62 more horse power than 2005 Lexus IS. (201 HP @ 5600 RPM) In normal driving conditions, 2009 Lexus GX should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus GX weights approximately 200 kg more than 2005 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2009 Lexus GX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2009 Lexus GX 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 Lexus GX (438 Nm @ 3400 RPM) has 128 more torque (in Nm) than 2005 Lexus IS. (310 Nm @ 3800 RPM). This means 2009 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS.

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