I traded my 2007 IS250 for 2009 GS300 for "family" reasons. In terms of milleage, in IS I got 26mpg city / 33 motorway. In GS300 I get 23 mpg city / 28 mpg motorway. Accellaration and general comfort is way better in GS300 although in my opinion ML sound system sounds better in the IS
Gs300 Mk3 Vs Is250 Urban Mpg
in Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus 450h / Lexus GS 460 Club
Posted
I traded my 2007 IS250 for 2009 GS300 for "family" reasons. In terms of milleage, in IS I got 26mpg city / 33 motorway. In GS300 I get 23 mpg city / 28 mpg motorway. Accellaration and general comfort is way better in GS300 although in my opinion ML sound system sounds better in the IS