2005 Jeep Wrangler Unlimited — Base Model

The 2005 Jeep Wrangler Unlimited Base Model came from the factory equipped with 30X9.50R15 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.

30X9.50R15

Overall diameter30"
Section width9.5"
Rim diameter15"
Revolutions per mile~672

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What this size means for your Jeep Wrangler Unlimited

On the 2005 Jeep Wrangler Unlimited Base Model, the factory 30X9.50R15 is a flotation off-road size, quoted directly in inches rather than metric — about 30″ tall and 9.5″ wide on a 15″ wheel, turning roughly 672 revolutions per mile. Flotation sizes like this are chosen for traction and ground clearance rather than on-road refinement.

On a vehicle of this age, the Jeep Wrangler Unlimited may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.

Other 2005 Jeep Wrangler Unlimited trims

Jeep Wrangler Unlimited tire sizes by year

See every Jeep Wrangler Unlimited year & trim →

How to read a tire size

A tire size like 225/45R17 breaks down into three parts: the first number is the section width in millimeters (the tire's width from sidewall to sidewall), the second is the aspect ratio — the sidewall's height as a percentage of that width — and the number after the "R" is the rim diameter in inches. A letter prefix (P or LT) indicates Passenger or Light Truck construction; its absence usually means Euro-metric sizing.

Some trucks and off-road tires instead use "flotation" sizing, like 37X12.50R17 — here the numbers are the tire's overall diameter and width in inches directly, with the rim diameter last.

Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.