Section Width495 mm (19.5")
Aspect Ratio50%
Rim Diameter20"
Overall Diameter1003 mm (39.5")
Sidewall Height248 mm
Circumference3151 mm
495/50R20 — Buy Tires

Everything to know about the 495/50R20 tire size

Size geometry

A 495/50R20 tire has a 495mm section width and a 50% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 247.5mm (9.74") and overall outside diameter is 1003.0mm (39.49"). At highway speed the tire completes about 317 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 495/50R20 is unavailable, the closest same-diameter substitutes on the same rim are 485/51R20 and 505/49R20. 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 495/50R20 you can upsize to 505/46R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 485/54R19 (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 495/50R20 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 495/50R20

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