Section Width105 mm (4.1")
Aspect Ratio328%
Rim Diameter45"
Overall Diameter1832 mm (72.1")
Sidewall Height344 mm
Circumference5755 mm
105/328R45 — Buy Tires

Everything to know about the 105/328R45 tire size

Size geometry

A 105/328R45 tire has a 105mm section width and a 328% aspect ratio, mounted on a 45-inch rim. Sidewall height works out to 344.4mm (13.56") and overall outside diameter is 1831.8mm (72.12"). At highway speed the tire completes about 174 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/328R45 is unavailable, the closest same-diameter substitutes on the same rim are 95/363R45 and 115/299R45. 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 105/328R45 you can upsize to 115/288R46 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/376R44 (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 105/328R45 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 105/328R45

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