285/109R11 Tire Size Specifications
This tire size 285/109R11 fits 0 vehicles in our database.
Everything to know about the 285/109R11 tire size
Size geometry
A 285/109R11 tire has a 285mm section width and a 109% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 310.6mm (12.23") and overall outside diameter is 900.7mm (35.46"). At highway speed the tire completes about 353 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 285/109R11 is unavailable, the closest same-diameter substitutes on the same rim are 275/113R11 and 295/105R11. Both keep your speedometer reading within 1% â safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.
Plus / minus sizing options
For a 285/109R11 you can upsize to 295/101R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 275/118R10 (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 285/109R11 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance â match these specs to your wheel before purchasing tires.
Vehicles Using 285/109R11
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