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P235/55R20

Passenger / P-Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The P235/55R20 tire size features an overall diameter of 30.18 inches, a section width of 9.3 inches (235mm), and rotates 668 times per mile. It is a standard factory tire fitment on 44+ vehicle models including Cadillac SRX.

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Physical Dimensions & Specs

Overall Diameter

30.18"

766.6 mm

Section Width

235 mm

9.25" wide

Sidewall Height

5.09"

129.3 mm (55% aspect)

Revolutions / Mile

668

Circumference: 94.8"

Rim Diameter

20"

Wheel size

Recommended Rim Width

5.9" - 8.2"

Optimal rim width range

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Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare P235/55R20 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)235/55R20
Overall Height:30.2"
Sidewall:5.1"
Revs/Mile:668
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 130.2" HeightTire 229.6" Height

Speedometer Variance

-2.0%At 60 mph reading, actual speed is 58.8 mph
IndicatedActual SpeedDiff
20 mph19.6 mph-0.4 mph
30 mph29.4 mph-0.6 mph
45 mph44.1 mph-0.9 mph
60 mph58.8 mph-1.2 mph
75 mph73.5 mph-1.5 mph
90 mph88.2 mph-1.8 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:-0.30" lower ground clearance

Vehicles That Fit P235/55R20 (44+ Models)

Factory standard and optional vehicle fitments utilizing P235/55R20 tires:

YearMake & ModelTrim / VariantLookup Specs
2010Cadillac SRX2.8 4View 2010 SRX ›
2010Cadillac SRX3.0 Y, AWDView 2010 SRX ›
2010Cadillac SRX3.0 Y, FWDView 2010 SRX ›
2011Cadillac SRX2.8 6View 2011 SRX ›
2011Cadillac SRX3.0 Y, AWDView 2011 SRX ›
2011Cadillac SRX3.0 Y, FWDView 2011 SRX ›
2012Cadillac SRXAWDView 2012 SRX ›
2012Cadillac SRXFWDView 2012 SRX ›
2013Cadillac SRXPerformance, AWDView 2013 SRX ›
2013Cadillac SRXPremium, AWDView 2013 SRX ›
2013Cadillac SRXPremium, FWDView 2013 SRX ›
2013Cadillac SRXPerformance, FWDView 2013 SRX ›
2014Cadillac SRXPerformance, AWDView 2014 SRX ›
2014Cadillac SRXPerformance, FWDView 2014 SRX ›
2014Cadillac SRXPremium, AWDView 2014 SRX ›
2014Cadillac SRXPremium, FWDView 2014 SRX ›
2015Cadillac SRXPerformance, 4D Utility Wagon, AWDView 2015 SRX ›
2015Cadillac SRXPerformance, 4D Utility Wagon, FWDView 2015 SRX ›
2015Cadillac SRXPerformance, 4D Utility, AWDView 2015 SRX ›
2015Cadillac SRXPremium, 4D Utility Wagon, AWDView 2015 SRX ›
2015Cadillac SRXPerformance, 4D Utility, FWDView 2015 SRX ›
2015Cadillac SRXPremium, 4D Utility Wagon, FWDView 2015 SRX ›
2015Cadillac SRXPremium, 4D Utility, FWDView 2015 SRX ›
2015Cadillac SRXPremium, 4D Utility, AWDView 2015 SRX ›
2016Cadillac SRXPremium, AWDView 2016 SRX ›
2016Cadillac SRXPerformance, FWDView 2016 SRX ›
2016Cadillac SRXPerformance, AWDView 2016 SRX ›
2016Cadillac SRXPremium, FWDView 2016 SRX ›
2009Nissan MuranoLEView 2009 Murano ›
2010Nissan MuranoLE, AWDView 2010 Murano ›
2010Nissan MuranoLE, FWDView 2010 Murano ›
2011Nissan MuranoCrossCabrioletView 2011 Murano ›
2011Nissan MuranoLE, AWDView 2011 Murano ›
2011Nissan MuranoLE, FWDView 2011 Murano ›
2012Nissan MuranoCrossCabrioletView 2012 Murano ›
2012Nissan MuranoLE, FWDView 2012 Murano ›
2012Nissan MuranoLE, AWDView 2012 Murano ›
2013Nissan MuranoLE, AWDView 2013 Murano ›
2013Nissan MuranoLE, FWDView 2013 Murano ›
2013Nissan MuranoCrossCabrioletView 2013 Murano ›
2014Nissan MuranoCrossCabrioletView 2014 Murano ›
2014Nissan MuranoLE, AWDView 2014 Murano ›
2014Nissan MuranoLE, FWDView 2014 Murano ›
2011Saab 9-4XAeroView 2011 9-4X ›