635/42R25 Tire Size Specifications
This tire size 635/42R25 fits 0 vehicles in our database.
Everything to know about the 635/42R25 tire size
Size geometry
A 635/42R25 tire has a 635mm section width and a 42% aspect ratio, mounted on a 25-inch rim. Sidewall height works out to 266.7mm (10.50") and overall outside diameter is 1168.4mm (46.00"). At highway speed the tire completes about 272 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 635/42R25 is unavailable, the closest same-diameter substitutes on the same rim are 625/43R25 and 645/41R25. 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 635/42R25 you can upsize to 645/39R26 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 625/45R24 (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 635/42R25 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 635/42R25
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