Section Width545 mm (21.5")
Aspect Ratio19%
Rim Diameter26"
Overall Diameter868 mm (34.1")
Sidewall Height104 mm
Circumference2725 mm
545/19R26 — Buy Tires

Everything to know about the 545/19R26 tire size

Size geometry

A 545/19R26 tire has a 545mm section width and a 19% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 103.5mm (4.08") and overall outside diameter is 867.5mm (34.15"). At highway speed the tire completes about 367 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 545/19R26 is unavailable, the closest same-diameter substitutes on the same rim are 535/19R26 and 555/19R26. 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 545/19R26 you can upsize to 555/16R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 535/22R25 (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 545/19R26 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 545/19R26

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