Pirelli Scorpion Winter 285/45R21XL 113W - 4073100

Shop the Pirelli Scorpion Winter 285/45R21 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 285/45R21 means

In the size 285/45R21, 285 is the section width in millimeters (11.22 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 128.2 mm (5.05 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 31.10 inches, turning roughly 649 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 113 — a maximum load of 2,535 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 285/45R21 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 285/45R21, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 285/45R21 tire in stock to compare options.

What does 113W mean on the Pirelli Scorpion Winter?

113W breaks down as load index 113 — rated for 2,535 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.

What kind of tire is the Pirelli Scorpion Winter?

The Pirelli Scorpion Winter in 285/45R21 is a winter tire.

Keep shopping

Shop all 285/45R21 tires, browse Pirelli tires, see every Pirelli Scorpion Winter size, explore winter snow tires, or view all tires at ThreePiece.us.