1995 Hummer H1 — Base Model

The 1995 Hummer H1 Base Model came from the factory equipped with 37X12.50R16.5 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.

37X12.50R16.5

Overall diameter37"
Section width12.5"
Rim diameter16.5"
Revolutions per mile~545

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What this size means for your Hummer H1

On the 1995 Hummer H1 Base Model, the factory 37X12.50R16.5 is a flotation off-road size, quoted directly in inches rather than metric — about 37″ tall and 12.5″ wide on a 16.5″ wheel, turning roughly 545 revolutions per mile. Flotation sizes like this are chosen for traction and ground clearance rather than on-road refinement.

Because the 1995 Hummer H1 predates many current tire lines, confirm this size is still stocked before ordering — some vintage fitments are now served mainly by specialty and classic-car tire suppliers.

Hummer H1 tire sizes by year

See every Hummer H1 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.