Section Width935 mm (36.8")
Aspect Ratio19%
Rim Diameter18"
Overall Diameter813 mm (32.0")
Sidewall Height178 mm
Circumference2553 mm
935/19R18 — Buy Tires

Everything to know about the 935/19R18 tire size

Size geometry

A 935/19R18 tire has a 935mm section width and a 19% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 177.7mm (6.99") and overall outside diameter is 812.5mm (31.99"). At highway speed the tire completes about 392 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 935/19R18 is unavailable, the closest same-diameter substitutes on the same rim are 925/19R18 and 945/19R18. 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 935/19R18 you can upsize to 945/17R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 925/21R17 (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 935/19R18 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 935/19R18

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