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  1. 4G (2011+) Optima
    Other than making the gas companies richer, is there any benefit to running 89 or 93 octane in my 16 1.6t? Car seems to run fine on 87 but I know other turbo cars need 89 or 93.
  2. 4G (2018- Present) Rio
    Hi, first time poster, so please bear with me. I could not find this anywhere in the forum before posting this. I bought my 2019 Kia Rio LX in Rockwall, TX August 2019 after having a 2010 Forte, which I liked quite a bit and a short stint with a Ford Focus, which I did not care for. Anyway...
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