Comforser CF3000 275/65R18

Shop the Comforser CF3000 275/65R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 275/65R18 means

In the size 275/65R18, 275 is the section width in millimeters (10.83 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 178.8 mm (7.04 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 32.07 inches, turning roughly 629 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.

The service description on this tire decodes to a load index of 123 — a maximum load of 3,417 lbs per tire. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.

Specifications

Frequently asked questions

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

What does 123Q mean on the Comforser CF3000?

123Q breaks down as load index 123 — rated for 3,417 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.

Will 275/65R18 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 275/65R18, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 275/65R18 tire in stock to compare options.

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