P285/35R20

Passenger / P-Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The P285/35R20 tire size features an overall diameter of 27.85 inches, a section width of 11.2 inches (285mm), and rotates 724 times per mile. It is a standard factory tire fitment on 8+ vehicle models including Ford Mustang.

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Physical Dimensions & Specs

Overall Diameter

27.85"

707.4 mm

Section Width

285 mm

11.22" wide

Sidewall Height

3.93"

99.8 mm (35% aspect)

Revolutions / Mile

724

Circumference: 87.51"

Rim Diameter

20"

Wheel size

Recommended Rim Width

7.1" - 10"

Optimal rim width range

Where to Buy & Install P285/35R20 Tires

Looking for P285/35R20 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:

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Direct Home Delivery

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Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare P285/35R20 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)285/35R20
Overall Height:27.9"
Sidewall:3.9"
Revs/Mile:724
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 127.9" HeightTire 229.6" Height

Speedometer Variance

+6.2%At 60 mph reading, actual speed is 63.7 mph
IndicatedActual SpeedDiff
20 mph21.2 mph+1.2 mph
30 mph31.9 mph+1.9 mph
45 mph47.8 mph+2.8 mph
60 mph63.7 mph+3.7 mph
75 mph79.6 mph+4.6 mph
90 mph95.6 mph+5.6 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:+0.86" ground clearance

Vehicles That Fit P285/35R20 (8+ Models)

Factory standard and optional vehicle fitments utilizing P285/35R20 tires:

YearMake & ModelTrim / VariantLookup Specs
2011Ford MustangShelby GT500, 2D ConvertibleView 2011 Mustang ›
2011Ford MustangShelby GT500, 2D CoupeView 2011 Mustang ›
2012Ford MustangShelby GT500, 2D ConvertibleView 2012 Mustang ›
2012Ford MustangShelby GT500, 2D CoupeView 2012 Mustang ›
2013Ford MustangShelby GT500, 2D ConvertibleView 2013 Mustang ›
2013Ford MustangShelby GT500, 2D CoupeView 2013 Mustang ›
2014Ford MustangShelby GT500, 2D ConvertibleView 2014 Mustang ›
2014Ford MustangShelby GT500, 2D CoupeView 2014 Mustang ›