Continental CON Contitrac LT275/65R18/10

Looking for a 275/65R18 highway tire? The Continental Contitrac is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.

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, or 120 (3,086 lbs) per tire when mounted as duals. The speed symbol S corresponds to a maximum sustained speed of 112 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

What kind of tire is the Continental Contitrac?

The Continental Contitrac in 275/65R18 is a highway tire.

What are the treadwear and warranty ratings on the Continental Contitrac?

This tire carries a treadwear grade of 520, traction grade A, temperature grade B under UTQG.

What does 123/120S mean on the Continental Contitrac?

123/120S breaks down as load index 123 — rated for 3,417 lbs per tire (120, or 3,086 lbs, in dual fitment) — with an S speed rating, good for a maximum sustained 112 mph.

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