What is the diameter of a 185/55R15 tire?

A 185/55R15 tire has an overall diameter of 23.01 inches (584.5mm).

How many revolutions per mile does a 185/55R15 tire make?

A 185/55R15 tire makes approximately 876 revolutions per mile.

What rim width is recommended for 185/55R15 tires?

The recommended wheel rim width for a 185/55R15 tire is 4.6" - 6.5".

185/55R15

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 185/55R15 tire size features an overall diameter of 23.01 inches, a section width of 7.3 inches (185mm), and rotates 876 times per mile. It is a standard factory tire fitment on 150+ vehicle models including Chevrolet Aveo.

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Physical Dimensions & Specs

Overall Diameter

23.01"

584.5 mm

Section Width

185 mm

7.28" wide

Sidewall Height

4.01"

101.9 mm (55% aspect)

Revolutions / Mile

876

Circumference: 72.29"

Rim Diameter

15"

Wheel size

Recommended Rim Width

4.6" - 6.5"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 185/55R15 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)185/55R15

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:23.0"

Sidewall:4.0"

Revs/Mile:876

Tire 2 (New / Compare)245/60R18

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:29.6"

Sidewall:5.8"

Revs/Mile:682

Visual Tire & Wheel Comparison

Speedometer Variance

+28.5%At 60 mph reading, actual speed is 77.1 mph

Indicated	Actual Speed	Diff
20 mph	25.7 mph	+5.7 mph
30 mph	38.6 mph	+8.6 mph
45 mph	57.8 mph	+12.8 mph
60 mph	77.1 mph	+17.1 mph
75 mph	96.4 mph	+21.4 mph
90 mph	115.7 mph	+25.7 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:+3.28" ground clearance

Vehicles That Fit 185/55R15 (150+ Models)

Factory standard and optional vehicle fitments utilizing 185/55R15 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
2006	Chevrolet Aveo	LT, 4D Hatchback, Automatic	View 2006 Aveo ›
2006	Chevrolet Aveo	LT, 4D Hatchback, Standard	View 2006 Aveo ›
2006	Chevrolet Aveo	LT, 4D Sedan, Automatic	View 2006 Aveo ›
2006	Chevrolet Aveo	LT, 4D Sedan, Standard	View 2006 Aveo ›
2007	Chevrolet Aveo	LT, 4D Hatchback, Automatic	View 2007 Aveo ›
2007	Chevrolet Aveo	LT, 4D Hatchback, Standard	View 2007 Aveo ›
2007	Chevrolet Aveo	LT, 4D Sedan, Automatic	View 2007 Aveo ›
2007	Chevrolet Aveo	LT, 4D Sedan, Standard	View 2007 Aveo ›
2008	Chevrolet Aveo	LT, Automatic	View 2008 Aveo ›
2008	Chevrolet Aveo	LT, Standard	View 2008 Aveo ›
2013	Chevrolet Spark	LS, Automatic Trans	View 2013 Spark ›
2013	Chevrolet Spark	LS, Standard Trans	View 2013 Spark ›
2013	Chevrolet Spark	LT, Automatic Trans	View 2013 Spark ›
2013	Chevrolet Spark	LT, Standard Trans	View 2013 Spark ›
2014	Chevrolet Spark	LS, Automatic CVT Trans	View 2014 Spark ›
2014	Chevrolet Spark	LS, Standard Trans	View 2014 Spark ›
2014	Chevrolet Spark	LT, Automatic CVT Trans	View 2014 Spark ›
2014	Chevrolet Spark	LT, Standard Trans	View 2014 Spark ›
2014	Chevrolet Spark EV	Spark EV	View 2014 Spark EV ›
2015	Chevrolet Spark	LS, Automatic CVT Trans	View 2015 Spark ›
2015	Chevrolet Spark	LS, Standard Trans	View 2015 Spark ›
2015	Chevrolet Spark	LT, Automatic CVT Trans	View 2015 Spark ›
2015	Chevrolet Spark	LT, Standard Trans	View 2015 Spark ›
2015	Chevrolet Spark EV	Spark EV	View 2015 Spark EV ›
2016	Chevrolet Spark	LS, Automatic CVT Trans	View 2016 Spark ›
2016	Chevrolet Spark	LS, Standard Trans	View 2016 Spark ›
2016	Chevrolet Spark	LT, Automatic CVT Trans	View 2016 Spark ›
2016	Chevrolet Spark	LT, Standard Trans	View 2016 Spark ›
2016	Chevrolet Spark EV	Spark EV	View 2016 Spark EV ›
2017	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2017 Spark ›
2017	Chevrolet Spark	LS, Standard Trans	View 2017 Spark ›
2017	Chevrolet Spark	LS, Automatic CVT Trans	View 2017 Spark ›
2017	Chevrolet Spark	ACTIV, Standard Trans	View 2017 Spark ›
2017	Chevrolet Spark	LT, Automatic CVT Trans	View 2017 Spark ›
2017	Chevrolet Spark	LT, Standard Trans	View 2017 Spark ›
2018	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2018 Spark ›
2018	Chevrolet Spark	ACTIV, Standard Trans	View 2018 Spark ›
2018	Chevrolet Spark	LS, Automatic CVT Trans	View 2018 Spark ›
2018	Chevrolet Spark	LS, Standard Trans	View 2018 Spark ›
2018	Chevrolet Spark	LT, Automatic CVT Trans	View 2018 Spark ›
2018	Chevrolet Spark	LT, Standard Trans	View 2018 Spark ›
2019	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2019 Spark ›
2019	Chevrolet Spark	ACTIV, Standard Trans	View 2019 Spark ›
2019	Chevrolet Spark	LS, Automatic CVT Trans	View 2019 Spark ›
2019	Chevrolet Spark	LS, Standard Trans	View 2019 Spark ›
2019	Chevrolet Spark	LT, Automatic CVT Trans	View 2019 Spark ›
2019	Chevrolet Spark	LT, Standard Trans	View 2019 Spark ›
2020	Chevrolet Spark	LS, Automatic CVT Trans	View 2020 Spark ›
2020	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2020 Spark ›
2020	Chevrolet Spark	ACTIV, Standard Trans	View 2020 Spark ›
2020	Chevrolet Spark	LS, Standard Trans	View 2020 Spark ›
2020	Chevrolet Spark	LT, Automatic CVT Trans	View 2020 Spark ›
2020	Chevrolet Spark	LT, Standard Trans	View 2020 Spark ›
2021	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2021 Spark ›
2021	Chevrolet Spark	ACTIV, Standard Trans	View 2021 Spark ›
2021	Chevrolet Spark	LS, Automatic CVT Trans	View 2021 Spark ›
2021	Chevrolet Spark	LS, Standard Trans	View 2021 Spark ›
2021	Chevrolet Spark	LT, Automatic CVT Trans	View 2021 Spark ›
2021	Chevrolet Spark	LT, Standard Trans	View 2021 Spark ›
2022	Chevrolet Spark	ACTIV, Automatic CVT Trans	View 2022 Spark ›
2022	Chevrolet Spark	ACTIV, Standard Trans	View 2022 Spark ›
2022	Chevrolet Spark	LS, Automatic CVT Trans	View 2022 Spark ›
2022	Chevrolet Spark	LS, Standard Trans	View 2022 Spark ›
2022	Chevrolet Spark	LT, Automatic CVT Trans	View 2022 Spark ›
2022	Chevrolet Spark	LT, Standard Trans	View 2022 Spark ›
2012	Fiat 500	Gucci	View 2012 500 ›
2012	Fiat 500	Lounge, Standard Trans	View 2012 500 ›
2012	Fiat 500	Lounge, Automatic Trans	View 2012 500 ›
2012	Fiat 500	Pop, Standard Trans	View 2012 500 ›
2012	Fiat 500	Pop, Automatic Trans	View 2012 500 ›
2012	Fiat 500c	Lounge	View 2012 500c ›
2012	Fiat 500c	c Gucci	View 2012 500c ›
2012	Fiat 500c	Pop, Standard Trans	View 2012 500c ›
2012	Fiat 500c	Pop, Automatic Trans	View 2012 500c ›
2013	Fiat 500	Lounge, Automatic Trans	View 2013 500 ›
2013	Fiat 500	Lounge, Standard Trans	View 2013 500 ›
2013	Fiat 500	Pop, Automatic Trans	View 2013 500 ›
2013	Fiat 500	Pop, Standard Trans	View 2013 500 ›
2013	Fiat 500c	Lounge	View 2013 500c ›
2013	Fiat 500c	Pop, Automatic Trans	View 2013 500c ›
2013	Fiat 500e	500e	View 2013 500e ›
2013	Fiat 500c	Pop, Standard Trans	View 2013 500c ›
2014	Fiat 500	Lounge, Automatic Trans	View 2014 500 ›
2014	Fiat 500	Lounge, Standard Trans	View 2014 500 ›
2014	Fiat 500	Pop, Automatic Trans	View 2014 500 ›
2014	Fiat 500	Pop, Standard Trans	View 2014 500 ›
2014	Fiat 500e	500e	View 2014 500e ›
2014	Fiat 500c	Lounge, Automatic Trans	View 2014 500c ›
2014	Fiat 500c	Lounge, Standard Trans	View 2014 500c ›
2014	Fiat 500c	Pop, Standard Trans	View 2014 500c ›
2014	Fiat 500c	Pop, Automatic Trans	View 2014 500c ›
2015	Fiat 500	E	View 2015 500 ›
2015	Fiat 500	c Pop, Automatic Trans	View 2015 500 ›
2015	Fiat 500	c Pop, Standard Trans	View 2015 500 ›
2015	Fiat 500	c Lounge	View 2015 500 ›
2015	Fiat 500	Lounge	View 2015 500 ›
2015	Fiat 500	Pop, Standard Trans	View 2015 500 ›
2015	Fiat 500	Pop, Automatic Trans	View 2015 500 ›
2016	Fiat 500	E	View 2016 500 ›
2016	Fiat 500	Easy, Automatic Trans	View 2016 500 ›
2016	Fiat 500	Pop, Standard Trans	View 2016 500 ›
2016	Fiat 500	c Pop, Standard Trans	View 2016 500 ›
2016	Fiat 500	Easy, Standard Trans	View 2016 500 ›
2016	Fiat 500	c Lounge, Standard Trans	View 2016 500 ›
2016	Fiat 500	c Easy, Automatic Trans	View 2016 500 ›
2016	Fiat 500	c Easy, Standard Trans	View 2016 500 ›
2016	Fiat 500	Lounge, Standard Trans	View 2016 500 ›
2016	Fiat 500	c Pop, Automatic Trans	View 2016 500 ›
2016	Fiat 500	Pop, Automatic Trans	View 2016 500 ›
2016	Fiat 500	Lounge, Automatic Trans	View 2016 500 ›
2016	Fiat 500	c Lounge, Automatic Trans	View 2016 500 ›
2017	Fiat 500	E	View 2017 500 ›
2017	Fiat 500	Pop, Automatic Trans	View 2017 500 ›
2017	Fiat 500	Pop, Standard Trans	View 2017 500 ›
2017	Fiat 500	Lounge, Automatic Trans	View 2017 500 ›
2017	Fiat 500	c Lounge, Standard Trans	View 2017 500 ›
2017	Fiat 500	c Lounge, Automatic Trans	View 2017 500 ›
2017	Fiat 500	c Pop, Automatic Trans	View 2017 500 ›
2017	Fiat 500	c Pop, Standard Trans	View 2017 500 ›
2017	Fiat 500	Lounge, Standard Trans	View 2017 500 ›
2018	Fiat 500	E	View 2018 500 ›
2019	Fiat 500	E	View 2019 500 ›
2011	Mazda 2	Sport, 1.5 Y, Automatic	View 2011 2 ›
2011	Mazda 2	Sport, 1.5 Y, Standard	View 2011 2 ›
2011	Mazda 2	Sport, 1.5 Z, Automatic	View 2011 2 ›
2011	Mazda 2	Sport, 1.5 Z, Standard	View 2011 2 ›
2011	Mazda 2	Touring, 1.5 Y, Automatic	View 2011 2 ›
2011	Mazda 2	Touring, 1.5 Y, Standard	View 2011 2 ›
2011	Mazda 2	Touring, 1.5 Z, Automatic	View 2011 2 ›
2011	Mazda 2	Touring, 1.5 Z, Standard	View 2011 2 ›
2012	Mazda 2	Sport, 1.5L Eng VIN Y, Automatic Trans	View 2012 2 ›
2012	Mazda 2	Sport, 1.5L Eng VIN Y, Standard Trans	View 2012 2 ›
2012	Mazda 2	Sport, 1.5L Eng VIN Z, Automatic Trans	View 2012 2 ›
2012	Mazda 2	Sport, 1.5L Eng VIN Z, Standard Trans	View 2012 2 ›
2012	Mazda 2	Touring, 1.5L Eng VIN Y, Automatic Trans	View 2012 2 ›
2012	Mazda 2	Touring, 1.5L Eng VIN Y, Standard Trans	View 2012 2 ›
2012	Mazda 2	Touring, 1.5L Eng VIN Z, Standard Trans	View 2012 2 ›
2012	Mazda 2	Touring, 1.5L Eng VIN Z, Automatic Trans	View 2012 2 ›
2013	Mazda 2	Sport, 1.5L Eng VIN Y, Automatic Trans	View 2013 2 ›
2013	Mazda 2	Sport, 1.5L Eng VIN Y, Standard Trans	View 2013 2 ›
2013	Mazda 2	Sport, 1.5L Eng VIN Z, Automatic Trans	View 2013 2 ›
2013	Mazda 2	Touring, 1.5L Eng VIN Y, Automatic Trans	View 2013 2 ›
2013	Mazda 2	Sport, 1.5L Eng VIN Z, Standard Trans	View 2013 2 ›
2013	Mazda 2	Touring, 1.5L Eng VIN Y, Standard Trans	View 2013 2 ›
2013	Mazda 2	Touring, 1.5L Eng VIN Z, Automatic Trans	View 2013 2 ›
2013	Mazda 2	Touring, 1.5L Eng VIN Z, Standard Trans	View 2013 2 ›
2014	Mazda 2	Sport, 1.5L Eng VIN Y, Eng CD ZY	View 2014 2 ›
2014	Mazda 2	Sport, 1.5L Eng VIN Y, Eng CD MZR	View 2014 2 ›
2014	Mazda 2	Sport, 1.5L Eng VIN Z, Eng CD MZR	View 2014 2 ›
2014	Mazda 2	Sport, 1.5L Eng VIN Z, Eng CD ZY	View 2014 2 ›