Thanks, David. In 2018 the standard gear ratio is 3.15 but if equipped with the towing package the gear ratio goes up to 3.73 which is why I am concerned about possible loss of fuel mileage.
Flea
Hi, Ladies and Gentlemen, my first post on this forum, I hope you can help me with this question. I will be buying a 2018 Expedition once the 2019 models come out. I will be towing a 5500lb boat occasionally, I see that I don't need the towing package with the higher gear ratio to tow this...
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