hmm.. when I drive.. Mixed I usually get 17-18mpg.. My wife gets 16-17..

I try to figure out when and where to brake and gas..

I actually got close to 22. but I averaged out to 21.. and snapped a picture.

We went to the Sierra's, and Lake Tahoe.. It was up and down mountain ranges, elevation was 7-8 thousand feet.. I was not really babying the pedal either at certain spots..

I just did spark plugs, seafoam, and rotella t6 oil change if that helps. Tire pressure is 37psi.. New Sumitomo htr tires 255/55/18.

The tires sucks on grip, but rides smooth with about 500 rated tread. It was the cheapest well reviewed tires. We dont really drive fast on a SAV so H rated does just fine.
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