Pirelli PZero Winter 265/35R21XL 101W - 4201800

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What 265/35R21 means

In the size 265/35R21, 265 is the section width in millimeters (10.43 in), 35 is the aspect ratio — the sidewall stands 35% as tall as the tire is wide, or 92.8 mm (3.65 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.30 inches, turning roughly 713 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 101 — a maximum load of 1,819 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 265/35R21 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 265/35R21, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 265/35R21 tire in stock to compare options.

What does 101W mean on the Pirelli PZero Winter?

101W breaks down as load index 101 — rated for 1,819 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.

What kind of tire is the Pirelli PZero Winter?

The Pirelli PZero Winter in 265/35R21 is a winter tire.

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