What is the diameter of a 235/45R18 tire?

A 235/45R18 tire has an overall diameter of 26.33 inches (668.8mm).

How many revolutions per mile does a 235/45R18 tire make?

A 235/45R18 tire makes approximately 766 revolutions per mile.

What rim width is recommended for 235/45R18 tires?

The recommended wheel rim width for a 235/45R18 tire is 5.9" - 8.2".

235/45R18

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 235/45R18 tire size features an overall diameter of 26.33 inches, a section width of 9.3 inches (235mm), and rotates 766 times per mile. It is a standard factory tire fitment on 150+ vehicle models including Chrysler 200.

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Physical Dimensions & Specs

Overall Diameter

26.33"

668.8 mm

Section Width

235 mm

9.25" wide

Sidewall Height

4.16"

105.7 mm (45% aspect)

Revolutions / Mile

766

Circumference: 82.71"

Rim Diameter

18"

Wheel size

Recommended Rim Width

5.9" - 8.2"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 235/45R18 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)235/45R18

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:26.3"

Sidewall:4.2"

Revs/Mile:766

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

+12.3%At 60 mph reading, actual speed is 67.4 mph

Indicated	Actual Speed	Diff
20 mph	22.5 mph	+2.5 mph
30 mph	33.7 mph	+3.7 mph
45 mph	50.6 mph	+5.6 mph
60 mph	67.4 mph	+7.4 mph
75 mph	84.3 mph	+9.3 mph
90 mph	101.1 mph	+11.1 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:+1.62" ground clearance

Vehicles That Fit 235/45R18 (150+ Models)

Factory standard and optional vehicle fitments utilizing 235/45R18 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
2015	Chrysler 200	C, 3.6L Eng VIN G, AWD	View 2015 200 ›
2015	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED8	View 2015 200 ›
2015	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED6	View 2015 200 ›
2015	Chrysler 200	S, 3.6L Eng VIN G, FWD	View 2015 200 ›
2015	Chrysler 200	S, 3.6L Eng VIN G, AWD	View 2015 200 ›
2016	Chrysler 200	C, 3.6L Eng VIN G, AWD	View 2016 200 ›
2016	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED6	View 2016 200 ›
2016	Chrysler 200	S, 3.6L Eng VIN G, AWD	View 2016 200 ›
2016	Chrysler 200	S, 3.6L Eng VIN G, FWD	View 2016 200 ›
2016	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED8	View 2016 200 ›
2017	Chrysler 200	C, 2.4L Eng VIN B, Eng CD ED6	View 2017 200 ›
2017	Chrysler 200	C, 3.6L Eng VIN G, AWD	View 2017 200 ›
2017	Chrysler 200	C, 3.6L Eng VIN G, FWD	View 2017 200 ›
2017	Chrysler 200	C, 2.4L Eng VIN B, Eng CD ED8	View 2017 200 ›
2017	Chrysler 200	S, 3.6L Eng VIN G, AWD	View 2017 200 ›
2017	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED6	View 2017 200 ›
2017	Chrysler 200	S, 3.6L Eng VIN G, FWD	View 2017 200 ›
2017	Chrysler 200	S, 2.4L Eng VIN B, Eng CD ED8	View 2017 200 ›
2013	Ford Fusion	Hybrid Titanium	View 2013 Fusion ›
2013	Ford Fusion	Titanium, AWD	View 2013 Fusion ›
2013	Ford Fusion	Titanium, FWD	View 2013 Fusion ›
2014	Ford Fusion	Titanium Hybrid	View 2014 Fusion ›
2014	Ford Fusion	Titanium, AWD	View 2014 Fusion ›
2014	Ford Fusion	Titanium, FWD	View 2014 Fusion ›
2015	Ford Fusion	Titanium Hybrid	View 2015 Fusion ›
2015	Ford Fusion	Titanium, AWD	View 2015 Fusion ›
2015	Ford Fusion	Titanium, FWD	View 2015 Fusion ›
2016	Ford Fusion	S	View 2016 Fusion ›
2016	Ford Fusion	Titanium Hybrid	View 2016 Fusion ›
2016	Ford Fusion	Titanium, AWD	View 2016 Fusion ›
2016	Ford Fusion	Titanium, FWD	View 2016 Fusion ›
2017	Ford Fusion	Platinum Hybrid	View 2017 Fusion ›
2017	Ford Fusion	S	View 2017 Fusion ›
2017	Ford Fusion	Titanium Hybrid	View 2017 Fusion ›
2017	Ford Fusion	Titanium, AWD	View 2017 Fusion ›
2017	Ford Fusion	Titanium, FWD	View 2017 Fusion ›
2018	Ford Fusion	Platinum Hybrid	View 2018 Fusion ›
2018	Ford Fusion	Titanium Hybrid	View 2018 Fusion ›
2018	Ford Fusion	Titanium, AWD	View 2018 Fusion ›
2018	Ford Fusion	Titanium, FWD	View 2018 Fusion ›
2019	Ford Fusion	SE, 2.0L Eng VIN 9	View 2019 Fusion ›
2019	Ford Fusion	SEL, 1.5L Eng VIN D	View 2019 Fusion ›
2019	Ford Fusion	SEL, 2.0L Eng VIN 9	View 2019 Fusion ›
2019	Ford Fusion	Titanium Hybrid	View 2019 Fusion ›
2020	Ford Fusion	SE, 2.0L Eng VIN 9	View 2020 Fusion ›
2020	Ford Fusion	SEL	View 2020 Fusion ›
2020	Ford Fusion	Titanium Hybrid	View 2020 Fusion ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng VIN 2, Automatic Trans	View 2013 Accord ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng, Eng CD J35Y1, Automatic Trans	View 2013 Accord ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng, Eng CD J35Y1, Standard Trans	View 2013 Accord ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng VIN 2, Standard Trans	View 2013 Accord ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng, Eng CD J35Y2, Standard Trans	View 2013 Accord ›
2013	Honda Accord	Sport, Automatic CVT Trans, Trans Mfr CD BC5A	View 2013 Accord ›
2013	Honda Accord	EX, 2D Coupe, 3.5L Eng, Eng CD J35Y2, Automatic Trans	View 2013 Accord ›
2013	Honda Accord	Sport, Automatic CVT Trans, Trans Mfr CD MC4A	View 2013 Accord ›
2013	Honda Accord	Sport, Standard Trans	View 2013 Accord ›
2014	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y2	View 2014 Accord ›
2014	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y1, Automatic Trans	View 2014 Accord ›
2014	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y1, Standard Trans	View 2014 Accord ›
2014	Honda Accord	Sport, Automatic CVT Trans	View 2014 Accord ›
2014	Honda Accord	Sport, Standard Trans	View 2014 Accord ›
2015	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y2	View 2015 Accord ›
2015	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y1	View 2015 Accord ›
2015	Honda Accord	Sport, Automatic CVT Trans	View 2015 Accord ›
2015	Honda Accord	Sport, Standard Trans	View 2015 Accord ›
2016	Honda Accord	EX, 2D Coupe, Automatic CVT Trans	View 2016 Accord ›
2016	Honda Accord	EX, 2D Coupe, Standard Trans	View 2016 Accord ›
2016	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y1	View 2016 Accord ›
2016	Honda Accord	EX-L, 2D Coupe, 2.4L Eng	View 2016 Accord ›
2016	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y2	View 2016 Accord ›
2017	Honda Accord	EX, 2D Coupe, Standard Trans	View 2017 Accord ›
2017	Honda Accord	EX, 2D Coupe, Automatic CVT Trans	View 2017 Accord ›
2017	Honda Accord	EX-L, 2D Coupe, 2.4L Eng	View 2017 Accord ›
2017	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y2	View 2017 Accord ›
2017	Honda Accord	EX-L, 2D Coupe, 3.5L Eng, Eng CD J35Y1	View 2017 Accord ›
2017	Honda Clarity	Electric	View 2017 Clarity ›
2017	Honda Clarity	Fuel Cell	View 2017 Clarity ›
2018	Honda Clarity	Electric	View 2018 Clarity ›
2018	Honda Clarity	Fuel Cell	View 2018 Clarity ›
2018	Honda Clarity	Plug-In Hybrid	View 2018 Clarity ›
2018	Honda Clarity	Plug-In Hybrid Touring	View 2018 Clarity ›
2019	Honda Clarity	Electric	View 2019 Clarity ›
2019	Honda Clarity	Fuel Cell	View 2019 Clarity ›
2019	Honda Clarity	Plug-In Hybrid	View 2019 Clarity ›
2019	Honda Clarity	Plug-In Hybrid Touring	View 2019 Clarity ›
2020	Honda Clarity	Fuel Cell	View 2020 Clarity ›
2020	Honda Clarity	Plug-In Hybrid	View 2020 Clarity ›
2020	Honda Clarity	Plug-In Hybrid Touring	View 2020 Clarity ›
2021	Honda Clarity	Fuel Cell	View 2021 Clarity ›
2021	Honda Clarity	Plug-In Hybrid	View 2021 Clarity ›
2021	Honda Clarity	Plug-In Hybrid Touring	View 2021 Clarity ›
2015	Hyundai Sonata	Limited 2.0T	View 2015 Sonata ›
2015	Hyundai Sonata	Sport 2.0T	View 2015 Sonata ›
2016	Hyundai Sonata	Limited 2.0T	View 2016 Sonata ›
2016	Hyundai Sonata	Sport 2.0T	View 2016 Sonata ›
2017	Hyundai Sonata	Limited 2.0T	View 2017 Sonata ›
2017	Hyundai Sonata	Sport 2.0T	View 2017 Sonata ›
2018	Hyundai Kona	Limited, 4WD	View 2018 Kona ›
2018	Hyundai Kona	Limited, FWD	View 2018 Kona ›
2018	Hyundai Kona	Ultimate, 4WD	View 2018 Kona ›
2018	Hyundai Kona	Ultimate, FWD	View 2018 Kona ›
2018	Hyundai Sonata	Limited 2.0T	View 2018 Sonata ›
2018	Hyundai Sonata	Sport 2.0T	View 2018 Sonata ›
2019	Hyundai Kona	Iron Man Edition, FWD	View 2019 Kona ›
2019	Hyundai Kona	Iron Man Edition, 4WD	View 2019 Kona ›
2019	Hyundai Kona	Limited, 4WD	View 2019 Kona ›
2019	Hyundai Kona	Limited, FWD	View 2019 Kona ›
2019	Hyundai Kona	Ultimate, 4WD	View 2019 Kona ›
2019	Hyundai Kona	Ultimate, FWD	View 2019 Kona ›
2019	Hyundai Sonata	Limited 2.0T	View 2019 Sonata ›
2020	Hyundai Kona	Limited, 4WD	View 2020 Kona ›
2020	Hyundai Kona	Limited, FWD	View 2020 Kona ›
2020	Hyundai Kona	Ultimate, 4WD	View 2020 Kona ›
2020	Hyundai Kona	Ultimate, FWD	View 2020 Kona ›
2020	Hyundai Sonata	Limited	View 2020 Sonata ›
2020	Hyundai Sonata	SEL Plus	View 2020 Sonata ›
2021	Hyundai Kona	Night, FWD	View 2021 Kona ›
2021	Hyundai Kona	Night, 4WD	View 2021 Kona ›
2021	Hyundai Kona	Limited, FWD	View 2021 Kona ›
2021	Hyundai Kona	Limited, 4WD	View 2021 Kona ›
2021	Hyundai Kona	Ultimate, 4WD	View 2021 Kona ›
2021	Hyundai Kona	Ultimate, FWD	View 2021 Kona ›
2021	Hyundai Sonata	Limited	View 2021 Sonata ›
2022	Hyundai Kona	Limited, 4WD	View 2022 Kona ›
2022	Hyundai Kona	Limited, FWD	View 2022 Kona ›
2022	Hyundai Kona	N Line, 4WD	View 2022 Kona ›
2022	Hyundai Kona	N Line, FWD	View 2022 Kona ›
2022	Hyundai Sonata	Limited	View 2022 Sonata ›
2023	Hyundai Kona	Limited, 4WD	View 2023 Kona ›
2023	Hyundai Kona	Limited, FWD	View 2023 Kona ›
2023	Hyundai Kona	N Line, 4WD	View 2023 Kona ›
2023	Hyundai Kona	N Line, FWD	View 2023 Kona ›
2023	Hyundai Sonata	Limited	View 2023 Sonata ›
2024	Hyundai Sonata	SEL, AWD	View 2024 Sonata ›
2024	Hyundai Sonata	SEL, FWD	View 2024 Sonata ›
2025	Hyundai Sonata	SEL Convenience	View 2025 Sonata ›
2003	Infiniti M45	M45	View 2003 M45 ›
2004	Infiniti M45	M45	View 2004 M45 ›
2005	Infiniti G35	Base, 4D Sedan, Automatic	View 2005 G35 ›
2005	Infiniti G35	Base, 4D Sedan, Standard	View 2005 G35 ›
2006	Infiniti G35	Base, 4D Sedan, Automatic	View 2006 G35 ›
2006	Infiniti G35	Base, 4D Sedan, Standard	View 2006 G35 ›
2014	Kia Soul	!	View 2014 Soul ›
2015	Kia Soul	!	View 2015 Soul ›
2016	Kia Optima	SX	View 2016 Optima ›
2016	Kia Optima	SX Limited	View 2016 Optima ›
2017	Kia Optima	SX	View 2017 Optima ›
2017	Kia Optima	SX Limited	View 2017 Optima ›
2017	Kia Soul	!	View 2017 Soul ›
2018	Kia Optima	SX	View 2018 Optima ›