Section Width495 mm (19.5")
Aspect Ratio20%
Rim Diameter27"
Overall Diameter884 mm (34.8")
Sidewall Height99 mm
Circumference2777 mm
495/20R27 — Buy Tires

Everything to know about the 495/20R27 tire size

Size geometry

A 495/20R27 tire has a 495mm section width and a 20% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 99.0mm (3.90") and overall outside diameter is 883.8mm (34.80"). At highway speed the tire completes about 360 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 495/20R27 is unavailable, the closest same-diameter substitutes on the same rim are 485/20R27 and 505/20R27. 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 495/20R27 you can upsize to 505/17R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 485/23R26 (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 495/20R27 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 495/20R27

tire_size.no_vehicles_found