took off cargo box and load bars, averaged 19ish highway, 16.6 city. road trip today, and hit 140mi at half tank, so much better! cargo boxes at highway speeds and or high winds will deffinetly will knock off 2-4 mpg's. Thanks for the respones.

 

I've got the Tundra/OME lift with 285 BFG's and a full-size spare in the back and I get about 16mpg driving normal, 15 with more gusto and maybe 17 if I drive gingerly. Highway I get about 18mpg-19mpg. Sounds like yours might be a little low but it just depends on how you drive.

I think you're doin well with the 16.6, I noticed after I changed my fuel filter I got about a mile/gallon better. You could try that, easy to do.

Good luck man,

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