Section Width265 mm (10.4")
Aspect Ratio33%
Rim Diameter18"
Overall Diameter632 mm (24.9")
Sidewall Height87 mm
Circumference1986 mm
265/33R18 — Buy Tires

Everything to know about the 265/33R18 tire size

Size geometry

A 265/33R18 tire has a 265mm section width and a 33% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 87.5mm (3.44") and overall outside diameter is 632.1mm (24.89"). At highway speed the tire completes about 504 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 265/33R18 is unavailable, the closest same-diameter substitutes on the same rim are 255/34R18 and 275/32R18. 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 265/33R18 you can upsize to 275/27R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 255/39R17 (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 265/33R18 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 265/33R18

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