365/50R18 Tire Size Specifications
This tire size 365/50R18 fits 0 vehicles in our database.
Everything to know about the 365/50R18 tire size
Size geometry
A 365/50R18 tire has a 365mm section width and a 50% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 182.5mm (7.19") and overall outside diameter is 822.2mm (32.37"). At highway speed the tire completes about 387 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 365/50R18 is unavailable, the closest same-diameter substitutes on the same rim are 355/51R18 and 375/49R18. 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 365/50R18 you can upsize to 375/45R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 355/55R17 (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 365/50R18 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 365/50R18
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