Section Width265 mm (10.4")
Aspect Ratio36%
Rim Diameter18"
Overall Diameter648 mm (25.5")
Sidewall Height95 mm
Circumference2036 mm
265/36R18 — Buy Tires

Everything to know about the 265/36R18 tire size

Size geometry

A 265/36R18 tire has a 265mm section width and a 36% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 95.4mm (3.76") and overall outside diameter is 648.0mm (25.51"). At highway speed the tire completes about 491 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 265/36R18 is unavailable, the closest same-diameter substitutes on the same rim are 255/37R18 and 275/35R18. 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 265/36R18 you can upsize to 275/30R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 255/42R17 (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 265/36R18 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 265/36R18

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