Posted 8/4/2026 09:41 (#11718465 - in reply to #11718421) Subject: RE: 2 chevy 1500 pickups
ec mn
5 mpg difference??? Certainly not what I have seen "here". Running my 2016 in M5 vs M6 yielded negligible fuel savings. As in I was perfectly happy with a very slight drop in mpg vs the trans shifting itself in and out of 6 and randomly dropping cylinders.