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275/55R20 Tires

275/55R20 is a metric tire size where 275 is the tread width in millimeters, 55 is the sidewall height as a percent of that width, and 20 is the wheel diameter in inches. At this ratio the sidewall is roughly 6.0 inches tall before you mount it on a 20-inch wheel. Load index, speed rating, and LT load range still vary by model—compare the specific tires below for those details.

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Common questions

What does 275/55R20 mean on a tire?

275 is section width in millimeters, 55 is the aspect ratio (sidewall height as a percent of width), and R marks a radial construction with a 20-inch rim diameter. Those three numbers define the overall tire diameter and how it fits your wheel.

How do I see everything you carry in 275/55R20?

This page highlights in-stock models with live pricing checked within our catalog window. Open the full tire search for this size to filter by brand, tread type, load range, and price as inventory changes.

Can I filter 275/55R20 results by brand or terrain?

Yes. Open the full tire search for this size to narrow by brand, highway or all-terrain tread, load range, speed rating, and price. Nothing is charged online until a rep confirms your order.

Live pricing: we lock in the lowest price, including any drops, sales, or rebates, when we confirm your order.