Tl 2009 sh-awd mpg ?

Hi everyone...

Long story short Im taking over 2009 TL sh-awd..

It has 20,000 miles


Here is my question :

I driven a 2006 TL So i know what the MPG

but driving a 2009 Im getting 15 MPG... "chicago city driving"

Is there something i missing...


Any one can let me know if this is normal ?:blink: