335/30R20

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 335/30R20 tire size features an overall diameter of 27.91 inches, a section width of 13.2 inches (335mm), and rotates 723 times per mile. It is a standard factory tire fitment on 3+ vehicle models including Mercedes-Benz GT AMG Black Series, Porsche Carrera GT.

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Physical Dimensions & Specs

Overall Diameter

27.91"

708.9 mm

Section Width

335 mm

13.19" wide

Sidewall Height

3.96"

100.6 mm (30% aspect)

Revolutions / Mile

723

Circumference: 87.69"

Rim Diameter

20"

Wheel size

Recommended Rim Width

8.4" - 11.7"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 335/30R20 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)335/30R20
Overall Height:27.9"
Sidewall:4.0"
Revs/Mile:723
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

+6.0%At 60 mph reading, actual speed is 63.6 mph
IndicatedActual SpeedDiff
20 mph21.2 mph+1.2 mph
30 mph31.8 mph+1.8 mph
45 mph47.7 mph+2.7 mph
60 mph63.6 mph+3.6 mph
75 mph79.5 mph+4.5 mph
90 mph95.4 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:+0.83" ground clearance

Vehicles That Fit 335/30R20 (3+ Models)

Factory standard and optional vehicle fitments utilizing 335/30R20 tires:

YearMake & ModelTrim / VariantLookup Specs
2021Mercedes-Benz GT AMG Black SeriesGT AMG Black SeriesView 2021 GT AMG Black Series
2004Porsche Carrera GTCarrera GTView 2004 Carrera GT
2005Porsche Carrera GTCarrera GTView 2005 Carrera GT