Section Width545 mm (21.5")
Aspect Ratio49%
Rim Diameter16"
Overall Diameter941 mm (37.0")
Sidewall Height267 mm
Circumference2955 mm
545/49R16 — Buy Tires

Everything to know about the 545/49R16 tire size

Size geometry

A 545/49R16 tire has a 545mm section width and a 49% aspect ratio, mounted on a 16-inch rim. Sidewall height works out to 267.1mm (10.51") and overall outside diameter is 940.5mm (37.03"). At highway speed the tire completes about 338 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 545/49R16 is unavailable, the closest same-diameter substitutes on the same rim are 535/50R16 and 555/48R16. 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 545/49R16 you can upsize to 555/46R17 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 535/52R15 (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 545/49R16 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 545/49R16

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