just to bring some hot discussion, here the Tundra fuel mileage from Natural Ressources Canada
2wd 4.7L
http://oee.nrcan.gc.ca/transportatio...d=68209&attr=8
Tundra 2wd 5.7L 15.3L/100km city 10.9L/100km highway
http://oee.nrcan.gc.ca/transportatio...d=68210&attr=8
4wd 4.7L 16L/100 km city 12.3L/100km hwy
http://oee.nrcan.gc.ca/transportatio...d=68211&attr=8
4wd 5.7L 16.9L/100km city 11.8L hwy
http://oee.nrcan.gc.ca/transportatio...d=68212&attr=8