Every factory tire size for the Rivian R1S, with the best-value options ranked by real cost-per-mile. Free 2-day nationwide delivery.
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The Rivian R1S most commonly uses 275/65R20 tires from the factory. Other factory fitments include 285/65R20. As an EV, the Rivian R1S runs heavier, so EV-grade or reinforced load ratings matter. Always confirm the exact size on your driver-door jamb, since trim and wheel package can change the fitment on a Rivian R1S. At TuahFix you can compare every 275/65R20 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 Rivian R1S owners can add same-day mobile installation. Whether you need all-season, touring, or performance tires for your Rivian R1S, ordering online ships faster and costs less than a local shop — see the full 275/65R20 lineup and the best-value pick for your Rivian R1S below.
The exact tire size for your Rivian R1S 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.