Pirelli PIR Scorpion Weatheractive 275/40R20

The Pirelli Scorpion Weatheractive in 275/40R20 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 275/40R20 means

In the size 275/40R20, 275 is the section width in millimeters (10.83 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 110.0 mm (4.33 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 28.66 inches, turning roughly 704 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 manufacturer lists the overall diameter of this specific tire as 20 inches — when clearance is tight, go by the published figure rather than the nominal size math.

The service description on this tire decodes to a load index of 106 — a maximum load of 2,094 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.

Specifications

Frequently asked questions

What does 106Y mean on the Pirelli Scorpion Weatheractive?

106Y breaks down as load index 106 — rated for 2,094 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.

What kind of tire is the Pirelli Scorpion Weatheractive?

The Pirelli Scorpion Weatheractive in 275/40R20 is a high-performance tire.

What are the treadwear and warranty ratings on the Pirelli Scorpion Weatheractive?

This tire carries a treadwear grade of 700, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 60K.

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