Section Width145 mm (5.7")
Aspect Ratio38%
Rim Diameter64"
Overall Diameter1736 mm (68.3")
Sidewall Height55 mm
Circumference5453 mm
145/38R64 — Buy Tires

Everything to know about the 145/38R64 tire size

Size geometry

A 145/38R64 tire has a 145mm section width and a 38% aspect ratio, mounted on a 64-inch rim. Sidewall height works out to 55.1mm (2.17") and overall outside diameter is 1735.8mm (68.34"). At highway speed the tire completes about 183 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 145/38R64 is unavailable, the closest same-diameter substitutes on the same rim are 135/41R64 and 155/36R64. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 145/38R64 you can upsize to 155/27R65 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 135/50R63 (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 145/38R64 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 145/38R64

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