Section Width385 mm (15.2")
Aspect Ratio98%
Rim Diameter12"
Overall Diameter1059 mm (41.7")
Sidewall Height377 mm
Circumference3328 mm
385/98R12 — Buy Tires

Everything to know about the 385/98R12 tire size

Size geometry

A 385/98R12 tire has a 385mm section width and a 98% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 377.3mm (14.85") and overall outside diameter is 1059.4mm (41.71"). At highway speed the tire completes about 300 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 385/98R12 is unavailable, the closest same-diameter substitutes on the same rim are 375/101R12 and 395/96R12. 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 385/98R12 you can upsize to 395/92R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 375/104R11 (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 385/98R12 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 385/98R12

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