Continental ContiWinterContact TS830P 255/55R18 105V - 03542350000

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What 255/55R18 means

In the size 255/55R18, 255 is the section width in millimeters (10.04 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 140.2 mm (5.52 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 29.04 inches, turning roughly 694 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 105 — a maximum load of 2,039 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.

Specifications

Frequently asked questions

Will 255/55R18 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 255/55R18, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 255/55R18 tire in stock to compare options.

What does 105V mean on the Continental ContiWinterContact TS830P?

105V breaks down as load index 105 — rated for 2,039 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.

What kind of tire is the Continental ContiWinterContact TS830P?

The Continental ContiWinterContact TS830P in 255/55R18 is a winter tire.

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