What is the diameter of a 295/35R18 tire?

A 295/35R18 tire has an overall diameter of 26.13 inches (663.7mm).

How many revolutions per mile does a 295/35R18 tire make?

A 295/35R18 tire makes approximately 772 revolutions per mile.

What rim width is recommended for 295/35R18 tires?

The recommended wheel rim width for a 295/35R18 tire is 7.4" - 10.3".

295/35R18

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 295/35R18 tire size features an overall diameter of 26.13 inches, a section width of 11.6 inches (295mm), and rotates 772 times per mile. It is a standard factory tire fitment on 74+ vehicle models including Porsche 911.

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Physical Dimensions & Specs

Overall Diameter

26.13"

663.7 mm

Section Width

295 mm

11.61" wide

Sidewall Height

4.06"

103.1 mm (35% aspect)

Revolutions / Mile

772

Circumference: 82.09"

Rim Diameter

18"

Wheel size

Recommended Rim Width

7.4" - 10.3"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 295/35R18 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)295/35R18

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:26.1"

Sidewall:4.1"

Revs/Mile:772

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

+13.2%At 60 mph reading, actual speed is 67.9 mph

Indicated	Actual Speed	Diff
20 mph	22.6 mph	+2.6 mph
30 mph	34.0 mph	+4.0 mph
45 mph	50.9 mph	+5.9 mph
60 mph	67.9 mph	+7.9 mph
75 mph	84.9 mph	+9.9 mph
90 mph	101.9 mph	+11.9 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:+1.72" ground clearance

Vehicles That Fit 295/35R18 (74+ Models)

Factory standard and optional vehicle fitments utilizing 295/35R18 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
2006	Porsche 911	Carrera 4, 2D Convertible, Automatic	View 2006 911 ›
2006	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2006 911 ›
2006	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2006 911 ›
2006	Porsche 911	Carrera 4, 2D Coupe, Automatic	View 2006 911 ›
2007	Porsche 911	Carrera 4, 2D Convertible, Automatic	View 2007 911 ›
2007	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2007 911 ›
2007	Porsche 911	Carrera 4, 2D Coupe, Automatic	View 2007 911 ›
2007	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2007 911 ›
2007	Porsche 911	Targa 4, Automatic	View 2007 911 ›
2007	Porsche 911	Targa 4, Standard	View 2007 911 ›
2007	Porsche 911	Turbo, Standard	View 2007 911 ›
2007	Porsche 911	Turbo, Automatic	View 2007 911 ›
2008	Porsche 911	Carrera 4, 2D Convertible, Automatic	View 2008 911 ›
2008	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2008 911 ›
2008	Porsche 911	Carrera 4, 2D Coupe, Automatic	View 2008 911 ›
2008	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2008 911 ›
2008	Porsche 911	Turbo, 2D Coupe, Automatic	View 2008 911 ›
2008	Porsche 911	Targa 4, Standard	View 2008 911 ›
2008	Porsche 911	Turbo, 2D Convertible, Automatic	View 2008 911 ›
2008	Porsche 911	Turbo, 2D Convertible, Standard	View 2008 911 ›
2008	Porsche 911	Targa 4, Automatic	View 2008 911 ›
2008	Porsche 911	Turbo, 2D Coupe, Standard	View 2008 911 ›
2009	Porsche 911	Carrera 4, 2D Convertible, Automatic DCT	View 2009 911 ›
2009	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2009 911 ›
2009	Porsche 911	Carrera 4, 2D Coupe, Automatic DCT	View 2009 911 ›
2009	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2009 911 ›
2009	Porsche 911	Targa 4, Automatic DCT	View 2009 911 ›
2009	Porsche 911	Targa 4, Standard	View 2009 911 ›
2009	Porsche 911	Turbo, 2D Coupe, Automatic	View 2009 911 ›
2009	Porsche 911	Turbo, 2D Coupe, Standard	View 2009 911 ›
2009	Porsche 911	Turbo, 2D Convertible, Standard	View 2009 911 ›
2009	Porsche 911	Turbo, 2D Convertible, Automatic	View 2009 911 ›
2010	Porsche 911	Carrera 4, 2D Convertible, Automatic DCT	View 2010 911 ›
2010	Porsche 911	Carrera 4, 2D Coupe, Automatic DCT	View 2010 911 ›
2010	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2010 911 ›
2010	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2010 911 ›
2010	Porsche 911	Targa 4, Automatic DCT	View 2010 911 ›
2010	Porsche 911	Turbo, 2D Convertible, Automatic DCT	View 2010 911 ›
2010	Porsche 911	Turbo, 2D Convertible, Standard	View 2010 911 ›
2010	Porsche 911	Targa 4, Standard	View 2010 911 ›
2010	Porsche 911	Turbo, 2D Coupe, Standard	View 2010 911 ›
2010	Porsche 911	Turbo, 2D Coupe, Automatic DCT	View 2010 911 ›
2011	Porsche 911	Carrera 4, 2D Convertible, Automatic DCT	View 2011 911 ›
2011	Porsche 911	Carrera 4, 2D Coupe, Automatic DCT	View 2011 911 ›
2011	Porsche 911	Carrera 4, 2D Convertible, Standard	View 2011 911 ›
2011	Porsche 911	Carrera 4, 2D Coupe, Standard	View 2011 911 ›
2011	Porsche 911	Targa 4, Standard	View 2011 911 ›
2011	Porsche 911	Targa 4, Automatic DCT	View 2011 911 ›
2011	Porsche 911	Turbo, 2D Convertible, Standard	View 2011 911 ›
2011	Porsche 911	Turbo, 2D Convertible, Automatic DCT	View 2011 911 ›
2011	Porsche 911	Turbo, 2D Coupe, Automatic DCT	View 2011 911 ›
2011	Porsche 911	Turbo, 2D Coupe, Standard	View 2011 911 ›
2012	Porsche 911	Carrera 4, 2D Convertible, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Carrera 4, 2D Convertible, Standard Trans	View 2012 911 ›
2012	Porsche 911	Carrera 4, 2D Coupe, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Carrera 4, 2D Coupe, Standard Trans	View 2012 911 ›
2012	Porsche 911	Targa 4, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Targa 4, Standard Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Convertible, 3.8L Eng VIN D, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Convertible, 3.8L Eng VIN D, Standard Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Convertible, 3.8L Eng, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Convertible, 3.8L Eng, Standard Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Coupe, 3.8L Eng VIN D, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Coupe, 3.8L Eng VIN D, Standard Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Coupe, 3.8L Eng, Automatic DCT Trans	View 2012 911 ›
2012	Porsche 911	Turbo, 2D Coupe, 3.8L Eng, Standard Trans	View 2012 911 ›
2013	Porsche 911	Turbo, 2D Convertible, 3.8L Eng, Automatic DCT Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Convertible, 3.8L Eng VIN D, Automatic DCT Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Coupe, 3.8L Eng, Standard Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Coupe, 3.8L Eng VIN D, Standard Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Coupe, 3.8L Eng VIN D, Automatic DCT Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Convertible, 3.8L Eng VIN D, Standard Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Coupe, 3.8L Eng, Automatic DCT Trans	View 2013 911 ›
2013	Porsche 911	Turbo, 2D Convertible, 3.8L Eng, Standard Trans	View 2013 911 ›