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What size of lug nut fits Smart? Lug nuts (or lug bolts) attach wheels to your car body; that's why they are essential for your driving safety. So, choosing the lug nut of the right size is as crucial as challenging. To help you, our team has accumulated the data about every US car and truck produced in the last 70 years - and assembled it into an easy-to-use chart.
However, we recommend you double-check if the lug nut sizes fit your Smart trim level. There are several ways to do that: contact the manufacturer directly, ask the local dealers, or open the owner manual.