General Tire GEN G-MAX RS 225/40ZR18XL

Looking for a 225/40R18 high performance tire? The General Tire G-MAX RS is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.

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 service description on this tire decodes to a load index of 92 — a maximum load of 1,389 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.

Specifications

Frequently asked questions

What kind of tire is the General Tire G-MAX RS?

The General Tire G-MAX RS in 225/40R18 is a high performance tire.

What are the treadwear and warranty ratings on the General Tire G-MAX RS?

This tire carries a treadwear grade of 360, traction grade AA, temperature grade A under UTQG.

What does 92Y mean on the General Tire G-MAX RS?

92Y breaks down as load index 92 — rated for 1,389 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.

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