Originally Posted by Mikes SS
Well if it is any indication about the Cadillac ATS and the 6th gen Camaro, the ATS is rated @ 19/28 with the 3.6...which is funny, because the current V6 camaro gets better MPG than that and it is heavier!!
I think that's because the ATS is geared and wears tires for performance in the 3.6L trim...the Camaro, in contrast, is geared for and shod in fuel economy tires.
With a similar treatment...I wonder if the ATS 3.6 wouldn't get 31-32mpg...