Q: Will I have poorer gas mileage if I have a ski rack on my car?
A:
If there is a ski rack on the top of your car, your gas mileage
will not be as good, even if your ski rack is empty. If you are
not using your ski rack, take it off. You could also think about
getting a ski rack or ski box that will fit on the back of your
car and will not create such drag.