Have I been doing it wrong all these years?
I have been towing our 30ft fiver for years with a Silverado 2500 Duramax. Have been using the tow mode and get right around 12MPG. Today we headed out. I zeroed out the trip computer before leaving. ...
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My 06 YukonXL has always, every fill, taken more gallons to fill than the computer says it used. Maybe around a gallon with a 25 gallon fill. New tires, old tires, still took more
I always figured the MPG shown was an optimistic estimate.
I always figured the MPG shown was an optimistic estimate.
