Section Width355 mm (14.0")
Aspect Ratio44%
Rim Diameter20"
Overall Diameter820 mm (32.3")
Sidewall Height156 mm
Circumference2577 mm
355/44R20 — Buy Tires

Everything to know about the 355/44R20 tire size

Size geometry

A 355/44R20 tire has a 355mm section width and a 44% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 156.2mm (6.15") and overall outside diameter is 820.4mm (32.30"). At highway speed the tire completes about 388 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 355/44R20 is unavailable, the closest same-diameter substitutes on the same rim are 345/45R20 and 365/43R20. 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 355/44R20 you can upsize to 365/39R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 345/49R19 (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 355/44R20 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 355/44R20

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