Section Width225 mm (8.9")
Aspect Ratio198%
Rim Diameter39"
Overall Diameter1882 mm (74.1")
Sidewall Height446 mm
Circumference5911 mm
225/198R39 — Buy Tires

Everything to know about the 225/198R39 tire size

Size geometry

A 225/198R39 tire has a 225mm section width and a 198% aspect ratio, mounted on a 39-inch rim. Sidewall height works out to 445.5mm (17.54") and overall outside diameter is 1881.6mm (74.08"). At highway speed the tire completes about 169 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 225/198R39 is unavailable, the closest same-diameter substitutes on the same rim are 215/207R39 and 235/190R39. 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 225/198R39 you can upsize to 235/184R40 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/213R38 (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 225/198R39 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 225/198R39

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