Section Width505 mm (19.9")
Aspect Ratio11%
Rim Diameter26"
Overall Diameter772 mm (30.4")
Sidewall Height56 mm
Circumference2424 mm
505/11R26 — Buy Tires

Everything to know about the 505/11R26 tire size

Size geometry

A 505/11R26 tire has a 505mm section width and a 11% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 55.5mm (2.19") and overall outside diameter is 771.5mm (30.37"). At highway speed the tire completes about 413 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 505/11R26 is unavailable, the closest same-diameter substitutes on the same rim are 495/11R26 and 515/11R26. 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 505/11R26 you can upsize to 515/8R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 495/14R25 (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 505/11R26 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 505/11R26

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