265/55R20
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 265/55R20 tire size features an overall diameter of 31.48 inches, a section width of 10.4 inches (265mm), and rotates 641 times per mile. It is a standard factory tire fitment on 19+ vehicle models including Lexus LX 600.
Physical Dimensions & Specs
Overall Diameter
31.48"
799.6 mmSection Width
265 mm
10.43" wideSidewall Height
5.74"
145.8 mm (55% aspect)Revolutions / Mile
641
Circumference: 98.89"Rim Diameter
20"
Wheel sizeRecommended Rim Width
6.6" - 9.3"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 265/55R20 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)265/55R20
Overall Height:31.5"
Sidewall:5.7"
Revs/Mile:641
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
-6.0%At 60 mph reading, actual speed is 56.4 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 18.8 mph | -1.2 mph |
| 30 mph | 28.2 mph | -1.8 mph |
| 45 mph | 42.3 mph | -2.7 mph |
| 60 mph | 56.4 mph | -3.6 mph |
| 75 mph | 70.5 mph | -4.5 mph |
| 90 mph | 84.6 mph | -5.4 mph |
Fender & Suspension Clearance
Fitment Status: MODERATE RISK
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Inner Strut Space:7.7mm LESS clearance
Outer Fender Push:Extends 17.7mm further out
Ride Height Delta:-0.95" lower ground clearance
Vehicles That Fit 265/55R20 (19+ Models)
Factory standard and optional vehicle fitments utilizing 265/55R20 tires: