Continental ContiWinterContact TS850P 275/30R20XL 97W - 03551650000

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What 275/30R20 means

In the size 275/30R20, 275 is the section width in millimeters (10.83 in), 30 is the aspect ratio — the sidewall stands 30% as tall as the tire is wide, or 82.5 mm (3.25 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 26.50 inches, turning roughly 761 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 manufacturer lists the overall diameter of this specific tire as 31.1 inches — when clearance is tight, go by the published figure rather than the nominal size math.

The service description on this tire decodes to a load index of 97 — a maximum load of 1,609 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.

Specifications

Frequently asked questions

Will 275/30R20 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 275/30R20, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 275/30R20 tire in stock to compare options.

What does 97W mean on the Continental ContiWinterContact TS850P?

97W breaks down as load index 97 — rated for 1,609 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.

What kind of tire is the Continental ContiWinterContact TS850P?

The Continental ContiWinterContact TS850P in 275/30R20 is a winter tire.

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