Hankook Kinergy XP H446 225/40R18XL 92V - 1032042

The Hankook Kinergy XP H446 in 225/40R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 225/40R18 means

In the size 225/40R18, 225 is the section width in millimeters (8.86 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 90.0 mm (3.54 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 25.09 inches, turning roughly 804 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 24.9 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 92 — a maximum load of 1,389 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

What does 92V mean on the Hankook Kinergy XP H446?

92V breaks down as load index 92 — rated for 1,389 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.

What kind of tire is the Hankook Kinergy XP H446?

The Hankook Kinergy XP H446 in 225/40R18 is a all season tire.

What are the treadwear and warranty ratings on the Hankook Kinergy XP H446?

This tire carries a treadwear grade of 720, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 75K.

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