WafflesTasteGood [he/him]

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Joined 3 years ago
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Cake day: July 29th, 2022

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  • Tire size calculator Put in your current tire size and you can get a list of sizes with a different rim but similar overall diameter. If you keep that fairly close than your speedometer will be accurate enough without reprogramming.

    I personally try to get a tire size slightly wider than stock (e.g. 195 instead of 185) but you’d probably have to do some digging to figure out if that’s a safe option without any rubbing on the suspension bits. It opens up more size options, potentially saving some money if a wider tire is more common or something.

    Edit: if the 18s are OEM rims from the dealer and not some aftermarket deal, than just look up the stock 16 or 17 tire sizes. Manufacturers generally keep overall size the same between rim sizes to avoid any clearance issues.