Section Width105 mm (4.1")
Aspect Ratio26%
Rim Diameter30"
Overall Diameter817 mm (32.1")
Sidewall Height27 mm
Circumference2565 mm
105/26R30 — Buy Tires

Everything to know about the 105/26R30 tire size

Size geometry

A 105/26R30 tire has a 105mm section width and a 26% aspect ratio, mounted on a 30-inch rim. Sidewall height works out to 27.3mm (1.07") and overall outside diameter is 816.6mm (32.15"). At highway speed the tire completes about 390 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/26R30 is unavailable, the closest same-diameter substitutes on the same rim are 95/29R30 and 115/24R30. 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 105/26R30 you can upsize to 115/13R31 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/42R29 (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 105/26R30 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 105/26R30

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