Section Width505 mm (19.9")
Aspect Ratio48%
Rim Diameter17"
Overall Diameter917 mm (36.1")
Sidewall Height242 mm
Circumference2880 mm
505/48R17 — Buy Tires

Everything to know about the 505/48R17 tire size

Size geometry

A 505/48R17 tire has a 505mm section width and a 48% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 242.4mm (9.54") and overall outside diameter is 916.6mm (36.09"). At highway speed the tire completes about 347 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 505/48R17 is unavailable, the closest same-diameter substitutes on the same rim are 495/49R17 and 515/47R17. 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 505/48R17 you can upsize to 515/45R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 495/52R16 (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 505/48R17 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 505/48R17

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