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Found 1 result

  1. LisaandJoe Navarro
    Hi everyone, first time posting. I've noticed since I purchased my 2015 5.3l chevy suburban that the average miles per gallon is low. I dont rev my engine, I always keep the screen up to monitor my fuel economy as i drive. I seem to always avg 15-16mpg road and 17-18hwy.... Does this seem normal??? I put in regular unleaded from krogers and costco. I have 43k miles on my vehicle Live in an area without high terrain. Regular suburbia. Something just does not seem right. Any input, help, modifications, changes required to improve? - yours truly A concerned chevy owner! Thank you!!!!
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