275/50R20
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 275/50R20 tire size features an overall diameter of 30.83 inches, a section width of 10.8 inches (275mm), and rotates 654 times per mile. It is a standard factory tire fitment on 53+ vehicle models including Audi Q8.
Physical Dimensions & Specs
Overall Diameter
30.83"
783.1 mmSection Width
275 mm
10.83" wideSidewall Height
5.41"
137.4 mm (50% aspect)Revolutions / Mile
654
Circumference: 96.85"Rim Diameter
20"
Wheel sizeRecommended Rim Width
6.9" - 9.6"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 275/50R20 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)275/50R20
Overall Height:30.8"
Sidewall:5.4"
Revs/Mile:654
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
-4.1%At 60 mph reading, actual speed is 57.6 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 19.2 mph | -0.8 mph |
| 30 mph | 28.8 mph | -1.2 mph |
| 45 mph | 43.2 mph | -1.8 mph |
| 60 mph | 57.6 mph | -2.4 mph |
| 75 mph | 72.0 mph | -3.0 mph |
| 90 mph | 86.3 mph | -3.7 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:-0.63" lower ground clearance
Vehicles That Fit 275/50R20 (53+ Models)
Factory standard and optional vehicle fitments utilizing 275/50R20 tires: