145/251R43 Tire Size Specifications
This tire size 145/251R43 fits 0 vehicles in our database.
Everything to know about the 145/251R43 tire size
Size geometry
A 145/251R43 tire has a 145mm section width and a 251% aspect ratio, mounted on a 43-inch rim. Sidewall height works out to 363.9mm (14.33") and overall outside diameter is 1820.1mm (71.66"). 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 145/251R43 is unavailable, the closest same-diameter substitutes on the same rim are 135/270R43 and 155/235R43. 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 145/251R43 you can upsize to 155/227R44 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 135/279R42 (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 145/251R43 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 145/251R43
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