Section Width455 mm (17.9")
Aspect Ratio45%
Rim Diameter19"
Overall Diameter892 mm (35.1")
Sidewall Height205 mm
Circumference2803 mm
455/45R19 — Buy Tires

Everything to know about the 455/45R19 tire size

Size geometry

A 455/45R19 tire has a 455mm section width and a 45% aspect ratio, mounted on a 19-inch rim. Sidewall height works out to 204.8mm (8.06") and overall outside diameter is 892.1mm (35.12"). At highway speed the tire completes about 357 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 455/45R19 is unavailable, the closest same-diameter substitutes on the same rim are 445/46R19 and 465/44R19. 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 455/45R19 you can upsize to 465/41R20 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 445/49R18 (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 455/45R19 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 455/45R19

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