145/270R42 Tire Size Specifications
This tire size 145/270R42 fits 0 vehicles in our database.
Everything to know about the 145/270R42 tire size
Size geometry
A 145/270R42 tire has a 145mm section width and a 270% aspect ratio, mounted on a 42-inch rim. Sidewall height works out to 391.5mm (15.41") and overall outside diameter is 1849.8mm (72.83"). At highway speed the tire completes about 172 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 145/270R42 is unavailable, the closest same-diameter substitutes on the same rim are 135/290R42 and 155/253R42. 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 145/270R42 you can upsize to 155/244R43 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 135/299R41 (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 145/270R42 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 145/270R42
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