255/50R20 Tire Size Specifications
This tire size 255/50R20 fits 11 vehicles in our database.
Everything to know about the 255/50R20 tire size
Size geometry
A 255/50R20 tire has a 255mm section width and a 50% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 127.5mm (5.02") and overall outside diameter is 763.0mm (30.04"). At highway speed the tire completes about 417 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 255/50R20 is unavailable, the closest same-diameter substitutes on the same rim are 245/52R20 and 265/48R20. 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 255/50R20 you can upsize to 265/43R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 245/57R19 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.
Vehicle compatibility
11 vehicles in our database run the 255/50R20 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 255/50R20
Acura MDX
Years: 2022 - 2026
Aito M7
Years: 2022 - 2026
Fisker Ocean
Years: 2023 - 2026
Ford Explorer
Years: 2011 - 2019
Infiniti QX60
Years: 2022 - 2026
Land Rover Range Rover
Years: 2002 - 2012
NIO EC6
Years: 2020 - 2026
NIO ES6
Years: 2019 - 2026
SsangYong Musso
Years: 2018 - 2026
SsangYong Rexton
Years: 2017 - 2026
Volkswagen Amarok
Years: 2010 - 2022