Section Width665 mm (26.2")
Aspect Ratio32%
Rim Diameter27"
Overall Diameter1111 mm (43.8")
Sidewall Height213 mm
Circumference3492 mm
665/32R27 — Buy Tires

Everything to know about the 665/32R27 tire size

Size geometry

A 665/32R27 tire has a 665mm section width and a 32% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 212.8mm (8.38") and overall outside diameter is 1111.4mm (43.76"). At highway speed the tire completes about 286 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 665/32R27 is unavailable, the closest same-diameter substitutes on the same rim are 655/32R27 and 675/32R27. 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 665/32R27 you can upsize to 675/30R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 655/34R26 (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 665/32R27 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 665/32R27

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