Pirelli Winter SottoZero Series 3 225/45R17 91H - 2854100

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What 225/45R17 means

In the size 225/45R17, 225 is the section width in millimeters (8.86 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 101.2 mm (3.99 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 24.97 inches, turning roughly 808 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 91 — a maximum load of 1,356 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.

Specifications

Frequently asked questions

Will 225/45R17 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 225/45R17, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 225/45R17 tire in stock to compare options.

What does 91H mean on the Pirelli Winter SottoZero Series 3?

91H breaks down as load index 91 — rated for 1,356 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

What kind of tire is the Pirelli Winter SottoZero Series 3?

The Pirelli Winter SottoZero Series 3 in 225/45R17 is a winter tire.

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