285/50R20
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The 285/50R20 tire size features an overall diameter of 31.22 inches, a section width of 11.2 inches (285mm), and rotates 646 times per mile. It is a standard factory tire fitment on 3+ vehicle models including Lexus LX 570.
Physical Dimensions & Specs
Overall Diameter
31.22"
793.0 mmSection Width
285 mm
11.22" wideSidewall Height
5.61"
142.5 mm (50% aspect)Revolutions / Mile
646
Circumference: 98.08"Rim Diameter
20"
Wheel sizeRecommended Rim Width
7.1" - 10"
Optimal rim width rangeWhere to Buy & Install 285/50R20 Tires
Looking for 285/50R20 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
Tire Rack
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Amazon Automotive
Fast doorstep shipping for DIYers or bringing to your own shop.
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Speedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 285/50R20 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 18.9 mph | -1.1 mph |
| 30 mph | 28.4 mph | -1.6 mph |
| 45 mph | 42.6 mph | -2.4 mph |
| 60 mph | 56.8 mph | -3.2 mph |
| 75 mph | 71.0 mph | -4.0 mph |
| 90 mph | 85.3 mph | -4.7 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit 285/50R20 (3+ Models)
Factory standard and optional vehicle fitments utilizing 285/50R20 tires: