485/21R16 Tire Size Specifications
This tire size 485/21R16 fits 0 vehicles in our database.
Everything to know about the 485/21R16 tire size
Size geometry
A 485/21R16 tire has a 485mm section width and a 21% aspect ratio, mounted on a 16-inch rim. Sidewall height works out to 101.8mm (4.01") and overall outside diameter is 610.1mm (24.02"). At highway speed the tire completes about 522 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 485/21R16 is unavailable, the closest same-diameter substitutes on the same rim are 475/21R16 and 495/21R16. 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 485/21R16 you can upsize to 495/18R17 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 475/24R15 (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 485/21R16 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 485/21R16
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