Section Width395 mm (15.6")
Aspect Ratio72%
Rim Diameter18"
Overall Diameter1026 mm (40.4")
Sidewall Height284 mm
Circumference3223 mm
395/72R18 — Buy Tires

Everything to know about the 395/72R18 tire size

Size geometry

A 395/72R18 tire has a 395mm section width and a 72% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 284.4mm (11.20") and overall outside diameter is 1026.0mm (40.39"). At highway speed the tire completes about 310 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 395/72R18 is unavailable, the closest same-diameter substitutes on the same rim are 385/74R18 and 405/70R18. 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 395/72R18 you can upsize to 405/67R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 385/77R17 (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 395/72R18 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 395/72R18

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