VIN Tire Size Lookup — Find the Factory Tire Size by VIN
Need the factory tire size for a vehicle? The original tire and wheel size is set by the trim and options the VIN decodes, and the exact figure is printed on the tire information placard on the driver-side door jamb. Enter a VIN to decode the build, then read where the tire size lives below.
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A vehicle's factory tire size is determined by its trim and wheel package, which the VIN decodes, and the exact original size is printed on the tire information placard — the federally required sticker on the driver-side door jamb. The VIN identifies which build and trim a vehicle is, and the placard lists the OEM tire size, wheel size and the correct inflation pressures for that build.
What this lookup reveals
Trim sets the tire size
The VIN decodes the trim and wheel package that determine the factory tire and wheel size.
The door-jamb tire placard
The federally required tire information placard lists the exact OEM tire size and pressures.
Wheel diameter & package
Different trims of the same model often ran different wheel diameters — the VIN distinguishes them.
Recommended pressures
The placard also gives the manufacturer's cold inflation pressures for the original tires.
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How the VIN points to the right tire size
Tire size isn't a free-standing field in the 17-character VIN, but it's determined by the build the VIN describes: the same model often shipped in several trims with different wheel and tire packages, and the VIN's descriptor section identifies which trim and configuration a vehicle is. Decoding it narrows the vehicle to the exact build the factory tire size belongs to.
The authoritative figure is the tire information placard — the sticker on the driver-side door jamb that U.S. regulations require on every passenger vehicle. It lists the original equipment tire size, the wheel size and the recommended cold inflation pressures the vehicle was specified with.
OEM size vs. what's fitted now
A tire size lookup gives the original equipment size the vehicle was built to use. A previous owner may have fitted a different size — a plus-size wheel, a wider tire — so the tires on the vehicle today won't always match the placard. The placard is the reference for the manufacturer's intended fitment.
If you're replacing tires, match the placard size unless you're deliberately changing the fitment, and confirm the build the VIN decodes so the wheel package matches the vehicle you actually have.
Frequently Asked Questions
Can I find tire size from a VIN?
The factory tire size is set by the trim and wheel package the VIN decodes, and the exact original size is printed on the tire information placard on the driver-side door jamb. Decoding the VIN confirms the build the size applies to.
Where is the tire size sticker on a car?
On the tire information placard — a federally required label on the driver-side door jamb. It lists the OEM tire size, wheel size and the recommended cold inflation pressures.
Why doesn't the VIN list the tire size directly?
Tire size isn't a standalone VIN field, but it follows the trim and wheel package the VIN encodes. The door-jamb placard gives the exact original size for that build.
Do different trims have different tire sizes?
Yes. The same model often shipped in trims with different wheel diameters and tire sizes. The VIN distinguishes which trim a vehicle is, and the placard lists its original size.
Is a VIN tire size lookup free?
Yes. Decoding the build and finding where the factory tire size is listed is free here, with no signup.
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