Section Width665 mm (26.2")
Aspect Ratio65%
Rim Diameter11"
Overall Diameter1144 mm (45.0")
Sidewall Height432 mm
Circumference3594 mm
665/65R11 — Buy Tires

Everything to know about the 665/65R11 tire size

Size geometry

A 665/65R11 tire has a 665mm section width and a 65% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 432.3mm (17.02") and overall outside diameter is 1143.9mm (45.04"). At highway speed the tire completes about 278 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 665/65R11 is unavailable, the closest same-diameter substitutes on the same rim are 655/66R11 and 675/64R11. 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 665/65R11 you can upsize to 675/62R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 655/68R10 (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 665/65R11 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 665/65R11

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