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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
Fuel economy (Or lack thereof)
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<blockquote data-quote="87hatchy" data-source="post: 15486254" data-attributes="member: 80243"><p>Do you have different wheels on the 2013 than you did on the 2012? When going from the base GT wheels to 19x9.5 SVE drifts on all four corners, which are much bigger and heavier, my MPG went down about 2mpg both on highway trips and around town just from the heavier wheels and tires.</p><p></p><p>Also, while you may be thinking you are comparing the exact same things since its the same engine and whatnot, that isn't necessarily the case. Ford is constantly tweaking and fine tuning calibrations between model years. So, A) the 2013 stock tune is probably slightly different than the 2012 stock tune (Remember they changed horsepower in 2013: Went from 412hp in 2011-2012 to 420hp in 2013), and B) The formula for calculating MPG is probably refined in the 2013 car and more accurate (just a guess, but I would assume its been tweaked)</p></blockquote><p></p>
[QUOTE="87hatchy, post: 15486254, member: 80243"] Do you have different wheels on the 2013 than you did on the 2012? When going from the base GT wheels to 19x9.5 SVE drifts on all four corners, which are much bigger and heavier, my MPG went down about 2mpg both on highway trips and around town just from the heavier wheels and tires. Also, while you may be thinking you are comparing the exact same things since its the same engine and whatnot, that isn't necessarily the case. Ford is constantly tweaking and fine tuning calibrations between model years. So, A) the 2013 stock tune is probably slightly different than the 2012 stock tune (Remember they changed horsepower in 2013: Went from 412hp in 2011-2012 to 420hp in 2013), and B) The formula for calculating MPG is probably refined in the 2013 car and more accurate (just a guess, but I would assume its been tweaked) [/QUOTE]
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2011-2014 Mustang Talk
Fuel economy (Or lack thereof)
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