Section Width285 mm (11.2")
Aspect Ratio39%
Rim Diameter23"
Overall Diameter807 mm (31.8")
Sidewall Height111 mm
Circumference2534 mm
285/39R23 — Buy Tires

Everything to know about the 285/39R23 tire size

Size geometry

A 285/39R23 tire has a 285mm section width and a 39% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 111.2mm (4.38") and overall outside diameter is 806.5mm (31.75"). At highway speed the tire completes about 395 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 285/39R23 is unavailable, the closest same-diameter substitutes on the same rim are 275/40R23 and 295/38R23. 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 285/39R23 you can upsize to 295/33R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 275/45R22 (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 285/39R23 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 285/39R23

tire_size.no_vehicles_found