Section Width105 mm (4.1")
Aspect Ratio280%
Rim Diameter12"
Overall Diameter893 mm (35.1")
Sidewall Height294 mm
Circumference2805 mm
105/280R12 — Buy Tires

Everything to know about the 105/280R12 tire size

Size geometry

A 105/280R12 tire has a 105mm section width and a 280% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 294.0mm (11.57") and overall outside diameter is 892.8mm (35.15"). At highway speed the tire completes about 357 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/280R12 is unavailable, the closest same-diameter substitutes on the same rim are 95/309R12 and 115/256R12. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 105/280R12 you can upsize to 115/245R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/323R11 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 105/280R12 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 105/280R12

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