2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums banner


  1. I-Loop Review

    2014-2018 Mazda 3 Skyactiv Discussion
    This last week has been the coldest in my area yet this winter. I have not yet got any more than About 31 MPG on a long non stop HWY trip in 10-20 degree weather. Untill I did this. Using I-Loop in the city up and down hills this week. I was able to get 32.8 by carefully keeping the I-loop...