185/401R13 Tire Size Specifications
This tire size 185/401R13 fits 0 vehicles in our database.
Everything to know about the 185/401R13 tire size
Size geometry
A 185/401R13 tire has a 185mm section width and a 401% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 741.9mm (29.21") and overall outside diameter is 1813.9mm (71.41"). At highway speed the tire completes about 175 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 185/401R13 is unavailable, the closest same-diameter substitutes on the same rim are 175/424R13 and 195/380R13. Both keep your speedometer reading within 1% â safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.
Plus / minus sizing options
For a 185/401R13 you can upsize to 195/374R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 175/431R12 (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 185/401R13 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance â match these specs to your wheel before purchasing tires.
Vehicles Using 185/401R13
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