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305/35R20

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 305/35R20 tire size features an overall diameter of 28.41 inches, a section width of 12.0 inches (305mm), and rotates 710 times per mile. It is a standard factory tire fitment on 56+ vehicle models including Chevrolet Camaro.

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Physical Dimensions & Specs

Overall Diameter

28.41"

721.6 mm

Section Width

305 mm

12.01" wide

Sidewall Height

4.2"

106.7 mm (35% aspect)

Revolutions / Mile

710

Circumference: 89.24"

Rim Diameter

20"

Wheel size

Recommended Rim Width

7.6" - 10.7"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 305/35R20 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)305/35R20
Overall Height:28.4"
Sidewall:4.2"
Revs/Mile:710
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 128.4" HeightTire 229.6" Height

Speedometer Variance

+4.1%At 60 mph reading, actual speed is 62.5 mph
IndicatedActual SpeedDiff
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
45 mph46.9 mph+1.9 mph
60 mph62.5 mph+2.5 mph
75 mph78.1 mph+3.1 mph
90 mph93.7 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:+0.58" ground clearance

Vehicles That Fit 305/35R20 (56+ Models)

Factory standard and optional vehicle fitments utilizing 305/35R20 tires:

YearMake & ModelTrim / VariantLookup Specs
2012Chevrolet CamaroZL1, Standard TransView 2012 Camaro ›
2012Chevrolet CamaroZL1, Automatic TransView 2012 Camaro ›
2013Chevrolet CamaroZL1, 2D Coupe, Automatic TransView 2013 Camaro ›
2013Chevrolet CamaroZL1, 2D Coupe, Standard TransView 2013 Camaro ›
2013Chevrolet CamaroZL1, 2D Convertible, Standard TransView 2013 Camaro ›
2013Chevrolet CamaroZL1, 2D Convertible, Automatic TransView 2013 Camaro ›
2014Chevrolet CamaroZL1, 2D Coupe, Automatic TransView 2014 Camaro ›
2014Chevrolet CamaroZL1, 2D Convertible, Automatic TransView 2014 Camaro ›
2014Chevrolet CamaroZL1, 2D Coupe, Standard TransView 2014 Camaro ›
2014Chevrolet CamaroZL1, 2D Convertible, Standard TransView 2014 Camaro ›
2015Chevrolet CamaroZL1, 2D Convertible, Automatic TransView 2015 Camaro ›
2015Chevrolet CamaroZL1, 2D Convertible, Standard TransView 2015 Camaro ›
2015Chevrolet CamaroZL1, 2D Coupe, Standard TransView 2015 Camaro ›
2015Chevrolet CamaroZL1, 2D Coupe, Automatic TransView 2015 Camaro ›
2018Dodge ChallengerSRT Hellcat Widebody, Standard TransView 2018 Challenger ›
2018Dodge ChallengerSRT Hellcat Widebody, Automatic TransView 2018 Challenger ›
2019Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESGView 2019 Challenger ›
2019Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESHView 2019 Challenger ›
2019Dodge ChallengerSRT Hellcat Redeye WidebodyView 2019 Challenger ›
2019Dodge ChallengerSRT Hellcat Widebody, Automatic TransView 2019 Challenger ›
2019Dodge ChallengerSRT Hellcat Widebody, Standard TransView 2019 Challenger ›
2020Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESGView 2020 Challenger ›
2020Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESHView 2020 Challenger ›
2020Dodge ChallengerSRT Hellcat Redeye WidebodyView 2020 Challenger ›
2020Dodge ChallengerSRT Hellcat Widebody, Automatic TransView 2020 Challenger ›
2020Dodge ChallengerSRT Hellcat Widebody, Standard TransView 2020 Challenger ›
2020Dodge ChargerSRT Hellcat Widebody, Eng CD ESDView 2020 Charger ›
2020Dodge ChargerSRT Hellcat Widebody, Eng CD ESJView 2020 Charger ›
2021Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESGView 2021 Challenger ›
2021Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESHView 2021 Challenger ›
2021Dodge ChallengerSRT Hellcat Redeye WidebodyView 2021 Challenger ›
2021Dodge ChallengerSRT Hellcat Widebody, Automatic TransView 2021 Challenger ›
2021Dodge ChallengerSRT Hellcat Widebody, Standard TransView 2021 Challenger ›
2021Dodge ChargerSRT Hellcat WidebodyView 2021 Charger ›
2021Dodge ChargerSRT Hellcat Redeye WidebodyView 2021 Charger ›
2022Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESGView 2022 Challenger ›
2022Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESHView 2022 Challenger ›
2022Dodge ChallengerSRT Hellcat Redeye WidebodyView 2022 Challenger ›
2022Dodge ChallengerSRT Hellcat WidebodyView 2022 Challenger ›
2022Dodge ChallengerSRT JailbreakView 2022 Challenger ›
2022Dodge ChargerSRT Hellcat Redeye WidebodyView 2022 Charger ›
2022Dodge ChargerSRT Hellcat WidebodyView 2022 Charger ›
2022Dodge ChargerSRT JailbreakView 2022 Charger ›
2022Dodge ChargerScat Pack WidebodyView 2022 Charger ›
2023Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESGView 2023 Challenger ›
2023Dodge ChallengerR/T Scat Pack Widebody, Eng CD ESHView 2023 Challenger ›
2023Dodge ChallengerSRT Hellcat Jailbreak, Automatic TransView 2023 Challenger ›
2023Dodge ChallengerSRT Hellcat Jailbreak, Standard TransView 2023 Challenger ›
2023Dodge ChargerSRT Hellcat Redeye WBView 2023 Charger ›
2023Dodge ChargerSRT Hellcat WidebodyView 2023 Charger ›
2023Dodge ChargerScat Pack WidebodyView 2023 Charger ›
2024Dodge ChargerDaytona Scat PackView 2024 Charger ›
2025Dodge ChargerDaytona Scat PackView 2025 Charger ›
2024Mercedes-Benz GT 55 AMGGT 55 AMGView 2024 GT 55 AMG ›
2025Mercedes-Benz GT 63 AMG2D CoupeView 2025 GT 63 AMG ›
2025Mercedes-Benz GT 55 AMGGT 55 AMGView 2025 GT 55 AMG ›