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  1. What performance grade tiers do you rock?

    2014-2018 Mazda 3 Skyactiv Wheels and Tires
    My 2015 is about 32k miles now and getting closer to replacing tires. What performance grade tires do people use or recommend? So far I am looking at HANKOOK VENTUS V12 EVO (K110) as an option. I drive florida, so my only thing I need to worry about is water puddles and mud. I still run...
  2. What grade fuel do you use?

    2014-2018 Mazda 3 Skyactiv Discussion
    So you have 87, 89, and 93 rated fuels (at least in my area). Since I've had my car (2.5L), I've filled up on the 89 most of the time, with a couple random fill-ups of 87. Is it bad to mix your fuel grades/switch up the grade of fuel from each fill up? Is there any benefit or harm done from...
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