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Unleaded 88

2990 Views 11 Replies 8 Participants Last post by  rogerh
Can unleaded 88 be used in a 2022 Buick Envision AWD?
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Everything I’ve read (and I admit th we r isn’t much) says premium if you have awd. My 2021 Avenir is awd and I use premium.
Well after reading all the posts and doing some more research I switched to regular after using premium for just over a year. Two tanks later I can't tell any difference in mileage or performance.
I used premium for the first year and switched to regular 5 weeks ago. I haven’t felt or detected a difference.
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