Yokohama YOK Advan Sport A/S+ 235/50R18/4

Looking for a 235/50R18 high performance tire? The Yokohama Advan Sport A/S+ is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.

What 235/50R18 means

In the size 235/50R18, 235 is the section width in millimeters (9.25 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 117.5 mm (4.63 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.25 inches, turning roughly 740 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 18 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 97 — a maximum load of 1,609 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.

Specifications

Frequently asked questions

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

The Yokohama Advan Sport A/S+ in 235/50R18 is a high performance tire.

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 97W mean on the Yokohama Advan Sport A/S+?

97W breaks down as load index 97 — rated for 1,609 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.

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