Section Width265 mm (10.4")
Aspect Ratio38%
Rim Diameter20"
Overall Diameter709 mm (27.9")
Sidewall Height101 mm
Circumference2229 mm
265/38R20 — Buy Tires

Everything to know about the 265/38R20 tire size

Size geometry

A 265/38R20 tire has a 265mm section width and a 38% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 100.7mm (3.96") and overall outside diameter is 709.4mm (27.93"). At highway speed the tire completes about 449 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 265/38R20 is unavailable, the closest same-diameter substitutes on the same rim are 255/39R20 and 275/37R20. 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 265/38R20 you can upsize to 275/32R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 255/44R19 (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 265/38R20 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 265/38R20

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