Section Width445 mm (17.5")
Aspect Ratio43%
Rim Diameter19"
Overall Diameter865 mm (34.1")
Sidewall Height191 mm
Circumference2718 mm
445/43R19 — Buy Tires

Everything to know about the 445/43R19 tire size

Size geometry

A 445/43R19 tire has a 445mm section width and a 43% aspect ratio, mounted on a 19-inch rim. Sidewall height works out to 191.3mm (7.53") and overall outside diameter is 865.3mm (34.07"). At highway speed the tire completes about 368 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 445/43R19 is unavailable, the closest same-diameter substitutes on the same rim are 435/44R19 and 455/42R19. 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 445/43R19 you can upsize to 455/39R20 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 435/47R18 (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 445/43R19 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 445/43R19

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