945/34R17 Tire Size Specifications
This tire size 945/34R17 fits 0 vehicles in our database.
Everything to know about the 945/34R17 tire size
Size geometry
A 945/34R17 tire has a 945mm section width and a 34% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 321.3mm (12.65") and overall outside diameter is 1074.4mm (42.30"). At highway speed the tire completes about 296 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 945/34R17 is unavailable, the closest same-diameter substitutes on the same rim are 935/34R17 and 955/34R17. 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 945/34R17 you can upsize to 955/32R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 935/36R16 (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 945/34R17 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 945/34R17
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