Section Width275 mm (10.8")
Aspect Ratio203%
Rim Diameter28"
Overall Diameter1828 mm (72.0")
Sidewall Height558 mm
Circumference5742 mm
275/203R28 — Buy Tires

Everything to know about the 275/203R28 tire size

Size geometry

A 275/203R28 tire has a 275mm section width and a 203% aspect ratio, mounted on a 28-inch rim. Sidewall height works out to 558.3mm (21.98") and overall outside diameter is 1827.7mm (71.96"). At highway speed the tire completes about 174 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 275/203R28 is unavailable, the closest same-diameter substitutes on the same rim are 265/211R28 and 285/196R28. 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 275/203R28 you can upsize to 285/191R29 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 265/215R27 (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 275/203R28 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 275/203R28

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