Yokohama YOK Advan Sport A/S+ 275/40R19/4

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What 275/40R19 means

In the size 275/40R19, 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 19 is the wheel diameter in inches. That works out to an overall diameter of about 27.66 inches, turning roughly 729 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 19 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 101 — a maximum load of 1,819 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.

Specifications

Frequently asked questions

What are the treadwear and warranty ratings on the Yokohama Advan Sport A/S+?

This tire carries a treadwear grade of 440, traction grade AA, temperature grade A under UTQG. The manufacturer's warranty is 55K.

What does 101Y mean on the Yokohama Advan Sport A/S+?

101Y breaks down as load index 101 — rated for 1,819 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.

What kind of tire is the Yokohama Advan Sport A/S+?

The Yokohama Advan Sport A/S+ in 275/40R19 is a high performance tire.

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