Section Width185 mm (7.3")
Aspect Ratio131%
Rim Diameter13"
Overall Diameter815 mm (32.1")
Sidewall Height242 mm
Circumference2560 mm
185/131R13 — Buy Tires

Everything to know about the 185/131R13 tire size

Size geometry

A 185/131R13 tire has a 185mm section width and a 131% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 242.3mm (9.54") and overall outside diameter is 814.9mm (32.08"). At highway speed the tire completes about 391 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 185/131R13 is unavailable, the closest same-diameter substitutes on the same rim are 175/138R13 and 195/124R13. 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 185/131R13 you can upsize to 195/118R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 175/146R12 (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 185/131R13 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 185/131R13

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