Every factory tire size for the Lexus IS, with the best-value options ranked by real cost-per-mile. Free 2-day nationwide delivery.
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The Lexus IS most commonly uses 225/40R18 tires from the factory. Other factory fitments include 245/40R18. Always confirm the exact size on your driver-door jamb, since trim and wheel package can change the fitment on a Lexus IS. At TuahFix you can compare every 225/40R18 tire ranked by real cost-per-mile, from budget to premium long-life models, with free two-day Amazon-verified delivery and easy returns. South Florida Lexus IS owners can add same-day mobile installation. Whether you need all-season, touring, or performance tires for your Lexus IS, ordering online ships faster and costs less than a local shop — see the full 225/40R18 lineup and the best-value pick for your Lexus IS below. TuahFix compares top brands like Michelin, Goodyear, Continental, and Bridgestone so Lexus IS owners get the lowest cost-per-mile, not just the lowest sticker price.
The exact tire size for your Lexus IS is printed on a sticker inside the driver-side door jamb and on the tire sidewall. Trim level, wheel package, and model year can change the fitment, so always verify before ordering. Tap any size above to compare every available tire ranked by cost-per-mile.