Section Width205 mm (8.1")
Aspect Ratio78%
Rim Diameter11"
Overall Diameter599 mm (23.6")
Sidewall Height160 mm
Circumference1882 mm
205/78R11 — Buy Tires

Everything to know about the 205/78R11 tire size

Size geometry

A 205/78R11 tire has a 205mm section width and a 78% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 159.9mm (6.30") and overall outside diameter is 599.2mm (23.59"). At highway speed the tire completes about 531 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 205/78R11 is unavailable, the closest same-diameter substitutes on the same rim are 195/82R11 and 215/74R11. 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 205/78R11 you can upsize to 215/68R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 195/89R10 (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 205/78R11 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 205/78R11

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