Looks like you own a 2016 ?
More than likely you’re one of many including me that has a factory misadjusted side window. My 2015 did the exact same as yours. A body shop or dealer can readjust to get the glass to seal properly.
Pre-emission filthy tailpipe MPG vs. modern ultra low emission tailpipe MPG are two totally different things.
Back in early emission infancy days things like air pumps, EGR systems, vacuum advance/retard, lean burn carburetors all destroyed MPG.
Historically high MPG was obtained with high...
My advice would be to remove the liner. Yup, pull it off and let the heat rise up and out. The liners only purpose is fire suppression, your rubber and plastic engine parts will thank you for the heat reduction once removed.
Early 70’s yes, by 1975 unleaded was at nearly every fuel station in the USA. All gasoline on road vehicles from 1975+ where manufactured with a catalytic converter thus requiring unleaded fuel.
Not too long ago I pulled up to fuel up at Costco, premium was 6 something a gallon…. I put in Regular that day so I’d have some extra lunch money.
@MRASPHALTO1
So I’ve listened to your video enough to say that motor is not firing on all 8 cylinders. Actually it sounds a bit like a diesel…….
Time to pull the plugs and do a compression test.
I’m assuming if you took it to have the oil changed you’re probably not going to do your own...