Section Width205 mm (8.1")
Aspect Ratio40%
Rim Diameter27"
Overall Diameter850 mm (33.5")
Sidewall Height82 mm
Circumference2670 mm
205/40R27 — Buy Tires

Everything to know about the 205/40R27 tire size

Size geometry

A 205/40R27 tire has a 205mm section width and a 40% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 82.0mm (3.23") and overall outside diameter is 849.8mm (33.46"). At highway speed the tire completes about 375 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 205/40R27 is unavailable, the closest same-diameter substitutes on the same rim are 195/42R27 and 215/38R27. 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 205/40R27 you can upsize to 215/32R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 195/49R26 (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 205/40R27 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 205/40R27

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