Cliffmeister2000 wrote:I've noticed in Arizona I get 21 miles per gallon on the summer formulation, and 19 mpg on the winter formulation, tank after tank, in my 2007 Nissan Frontier.
With my last truck (Mazda Ranger) I'd get 24 in the Summer and 20 in the Winter, that was both in NC and TX. My current truck (Toyota Tundra) I get 18 in the Summer and 16 in the Winter, in TX and CO.