Question about 2007 GMC Yukon
The sticker mileage of 14/19 is just an estimate based on a similar model that was tested for the purpose of advertising it for the model.
It is only a guideline and if one reads the fine print on the sticker, the claims are considered to be that and only that.
That gasoline that you were using in NY may be different than in Florida since different areas of the country have different suppliers and formulas, also, different seasons can have different formulations of gasoline content.
One can get new tires that have gas savings advertised for them, like Goodyear has.
Or, I know that gas mileage decreases on my Cadillac if I don't use high octane Super which is recommended for it (this may not apply for your GMC Yukon).
Does your GMC Yukon accept E85? Sometimes gasoline used in some areas has more ethanol like up to 10% or now up to 15% is being proposed by the legislature.
Also, the heat in FL vs. NY may make a difference.
That's all that comes to my mind for getting better MPG in Florida as compared to NY.
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
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