Section Width445 mm (17.5")
Aspect Ratio19%
Rim Diameter27"
Overall Diameter855 mm (33.7")
Sidewall Height85 mm
Circumference2686 mm
445/19R27 — Buy Tires

Everything to know about the 445/19R27 tire size

Size geometry

A 445/19R27 tire has a 445mm section width and a 19% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 84.5mm (3.33") and overall outside diameter is 854.9mm (33.66"). At highway speed the tire completes about 372 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 445/19R27 is unavailable, the closest same-diameter substitutes on the same rim are 435/19R27 and 455/19R27. 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 445/19R27 you can upsize to 455/16R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 435/22R26 (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 445/19R27 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 445/19R27

tire_size.no_vehicles_found