1. priusmatty

    priusmatty Member

    Joined:
    May 22, 2016
    251
    71
    0
    Location:
    Louisiana USA
    Vehicle:
    2012 Prius c
    Model:
    One
    Costco Gas is Top-tier, like Chevron. Does anyone know what additive Costco gas uses? Is it Techron, or something else?
     
  2. Elt31987

    Elt31987 Active Member

    Joined:
    May 25, 2016
    162
    117
    0
    Location:
    Derry, NH
    Vehicle:
    2016 Prius
    Model:
    Two
    Proprietary so you'll never know. If its Top Tier i wouldn't hesitate to use it