Pirelli Winter SottoZero Series 3 275/35R21XL 103W - 4458400

Shop the Pirelli Winter SottoZero Series 3 275/35R21 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 275/35R21 means

In the size 275/35R21, 275 is the section width in millimeters (10.83 in), 35 is the aspect ratio — the sidewall stands 35% as tall as the tire is wide, or 96.2 mm (3.79 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.58 inches, turning roughly 706 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 103 — a maximum load of 1,929 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 275/35R21 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 275/35R21, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 275/35R21 tire in stock to compare options.

What does 103W mean on the Pirelli Winter SottoZero Series 3?

103W breaks down as load index 103 — rated for 1,929 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.

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

The Pirelli Winter SottoZero Series 3 in 275/35R21 is a winter tire.

Keep shopping

Shop all 275/35R21 tires, browse Pirelli tires, see every Pirelli Winter SottoZero Series 3 size, explore winter snow tires, or view all tires at ThreePiece.us.