What kind of mileage is everyone getting?
My 2014 crew 4x4 got 14 in the city, 17 on hwy as long as I stayed at 70mph or less, 15 at 75mph or more. I had lots of trouble with electronics (nav and infotainment went out twice at 44k and 60k) and cold start valve went out at 70k. Sorry to rain on the Tundra parade but my last two Chevy 4x4's, current GMC 4x4, and both of dad's last two F150 4x4's run circles around that Tundra.
Hope you have better luck with yours.
