Section Width305 mm (12.0")
Aspect Ratio250%
Rim Diameter11"
Overall Diameter1804 mm (71.0")
Sidewall Height763 mm
Circumference5669 mm
305/250R11 — Buy Tires

Everything to know about the 305/250R11 tire size

Size geometry

A 305/250R11 tire has a 305mm section width and a 250% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 762.5mm (30.02") and overall outside diameter is 1804.4mm (71.04"). At highway speed the tire completes about 176 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 305/250R11 is unavailable, the closest same-diameter substitutes on the same rim are 295/258R11 and 315/242R11. 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 305/250R11 you can upsize to 315/238R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 295/263R10 (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 305/250R11 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 305/250R11

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