175/77R12 Tire Size Specifications
This tire size 175/77R12 fits 0 vehicles in our database.
Everything to know about the 175/77R12 tire size
Size geometry
A 175/77R12 tire has a 175mm section width and a 77% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 134.8mm (5.31") and overall outside diameter is 574.3mm (22.61"). At highway speed the tire completes about 554 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 175/77R12 is unavailable, the closest same-diameter substitutes on the same rim are 165/82R12 and 185/73R12. 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 175/77R12 you can upsize to 185/66R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 165/89R11 (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 175/77R12 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 175/77R12
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