Section Width105 mm (4.1")
Aspect Ratio123%
Rim Diameter19"
Overall Diameter741 mm (29.2")
Sidewall Height129 mm
Circumference2328 mm
105/123R19 — Buy Tires

Everything to know about the 105/123R19 tire size

Size geometry

A 105/123R19 tire has a 105mm section width and a 123% aspect ratio, mounted on a 19-inch rim. Sidewall height works out to 129.2mm (5.08") and overall outside diameter is 740.9mm (29.17"). At highway speed the tire completes about 430 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/123R19 is unavailable, the closest same-diameter substitutes on the same rim are 95/136R19 and 115/112R19. 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 105/123R19 you can upsize to 115/101R20 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/149R18 (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 105/123R19 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 105/123R19

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