Section Width115 mm (4.5")
Aspect Ratio125%
Rim Diameter19"
Overall Diameter770 mm (30.3")
Sidewall Height144 mm
Circumference2419 mm
115/125R19 — Buy Tires

Everything to know about the 115/125R19 tire size

Size geometry

A 115/125R19 tire has a 115mm section width and a 125% aspect ratio, mounted on a 19-inch rim. Sidewall height works out to 143.8mm (5.66") and overall outside diameter is 770.1mm (30.32"). At highway speed the tire completes about 413 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/125R19 is unavailable, the closest same-diameter substitutes on the same rim are 105/137R19 and 125/115R19. 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 115/125R19 you can upsize to 125/105R20 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/149R18 (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 115/125R19 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 115/125R19

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