What is the diameter of a 185/70R13 tire?

A 185/70R13 tire has an overall diameter of 23.2 inches (589.3mm).

How many revolutions per mile does a 185/70R13 tire make?

A 185/70R13 tire makes approximately 869 revolutions per mile.

What rim width is recommended for 185/70R13 tires?

The recommended wheel rim width for a 185/70R13 tire is 4.6" - 6.5".

185/70R13

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 185/70R13 tire size features an overall diameter of 23.2 inches, a section width of 7.3 inches (185mm), and rotates 869 times per mile. It is a standard factory tire fitment on 150+ vehicle models including BMW 320i.

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Physical Dimensions & Specs

Overall Diameter

23.2"

589.3 mm

Section Width

185 mm

7.28" wide

Sidewall Height

5.1"

129.5 mm (70% aspect)

Revolutions / Mile

869

Circumference: 72.88"

Rim Diameter

13"

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 185/70R13 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)185/70R13

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:23.2"

Sidewall:5.1"

Revs/Mile:869

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

+27.5%At 60 mph reading, actual speed is 76.5 mph

Indicated	Actual Speed	Diff
20 mph	25.5 mph	+5.5 mph
30 mph	38.2 mph	+8.2 mph
45 mph	57.4 mph	+12.4 mph
60 mph	76.5 mph	+16.5 mph
75 mph	95.6 mph	+20.6 mph
90 mph	114.7 mph	+24.7 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:+3.19" ground clearance

Vehicles That Fit 185/70R13 (150+ Models)

Factory standard and optional vehicle fitments utilizing 185/70R13 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
1980	BMW 320i	Automatic Trans	View 1980 320i ›
1980	BMW 320i	Standard Trans	View 1980 320i ›
1981	BMW 320i	320i	View 1981 320i ›
1982	BMW 320i	Automatic Trans	View 1982 320i ›
1982	BMW 320i	Standard Trans	View 1982 320i ›
1983	BMW 320i	Automatic	View 1983 320i ›
1983	BMW 320i	Standard	View 1983 320i ›
1982	Honda Accord	Base, 2D Hatchback, Automatic Trans	View 1982 Accord ›
1982	Honda Accord	Base, 2D Hatchback, Standard Trans	View 1982 Accord ›
1982	Honda Accord	Base, 4D Sedan, Automatic Trans	View 1982 Accord ›
1982	Honda Accord	Base, 4D Sedan, Standard Trans	View 1982 Accord ›
1982	Honda Accord	LX, 2D Hatchback, Automatic Trans	View 1982 Accord ›
1982	Honda Accord	LX, 2D Hatchback, Standard Trans	View 1982 Accord ›
1982	Honda Accord	LX, 4D Sedan, Automatic Trans	View 1982 Accord ›
1982	Honda Accord	LX, 4D Sedan, Standard Trans	View 1982 Accord ›
1983	Honda Accord	Base, 2D Hatchback, Standard	View 1983 Accord ›
1983	Honda Accord	Base, 2D Hatchback, Automatic	View 1983 Accord ›
1983	Honda Accord	Base, 4D Sedan, Automatic	View 1983 Accord ›
1983	Honda Accord	Base, 4D Sedan, Standard	View 1983 Accord ›
1983	Honda Accord	LX, Standard	View 1983 Accord ›
1983	Honda Accord	LX, Automatic	View 1983 Accord ›
1983	Honda Accord	SE, Automatic	View 1983 Accord ›
1983	Honda Accord	SE, Standard	View 1983 Accord ›
1983	Honda Prelude	Standard	View 1983 Prelude ›
1983	Honda Prelude	Automatic	View 1983 Prelude ›
1984	Honda Accord	Base, 2D Hatchback, Automatic	View 1984 Accord ›
1984	Honda Accord	Base, 2D Hatchback, Standard	View 1984 Accord ›
1984	Honda Accord	Base, 4D Sedan, Automatic	View 1984 Accord ›
1984	Honda Accord	Base, 4D Sedan, Standard	View 1984 Accord ›
1984	Honda Accord	LX, 2D Hatchback, Automatic	View 1984 Accord ›
1984	Honda Accord	LX, 4D Sedan, Automatic	View 1984 Accord ›
1984	Honda Accord	LX, 2D Hatchback, Standard	View 1984 Accord ›
1984	Honda Accord	LX, 4D Sedan, Standard	View 1984 Accord ›
1984	Honda Prelude	Automatic	View 1984 Prelude ›
1984	Honda Prelude	Standard	View 1984 Prelude ›
1985	Honda Accord	Base, 2D Hatchback, Standard	View 1985 Accord ›
1985	Honda Accord	Base, 2D Hatchback, Automatic	View 1985 Accord ›
1985	Honda Accord	Base, 4D Sedan, Automatic	View 1985 Accord ›
1985	Honda Accord	Base, 4D Sedan, Standard	View 1985 Accord ›
1985	Honda Accord	LX, 2D Hatchback, Automatic	View 1985 Accord ›
1985	Honda Accord	LX, 2D Hatchback, Standard	View 1985 Accord ›
1985	Honda Accord	LX, 4D Sedan, Automatic	View 1985 Accord ›
1985	Honda Accord	SEi, Automatic	View 1985 Accord ›
1985	Honda Accord	LX, 4D Sedan, Standard	View 1985 Accord ›
1985	Honda Accord	SEi, Standard	View 1985 Accord ›
1985	Honda Prelude	Base, Standard	View 1985 Prelude ›
1985	Honda Prelude	Base, Automatic	View 1985 Prelude ›
1985	Honda Prelude	Si, Automatic	View 1985 Prelude ›
1985	Honda Prelude	Si, Standard	View 1985 Prelude ›
1986	Honda Accord	DX, 2D Hatchback, Automatic	View 1986 Accord ›
1986	Honda Accord	DX, 2D Hatchback, Standard	View 1986 Accord ›
1986	Honda Accord	DX, 4D Sedan, Automatic	View 1986 Accord ›
1986	Honda Accord	DX, 4D Sedan, Standard	View 1986 Accord ›
1986	Honda Accord	LX, Automatic	View 1986 Accord ›
1986	Honda Accord	LX, Standard	View 1986 Accord ›
1986	Honda Accord	LXi, 2D Hatchback, Standard	View 1986 Accord ›
1986	Honda Accord	LXi, 2D Hatchback, Automatic	View 1986 Accord ›
1986	Honda Accord	LXi, 4D Sedan, Automatic	View 1986 Accord ›
1986	Honda Accord	LXi, 4D Sedan, Standard	View 1986 Accord ›
1986	Honda Prelude	Base, Automatic	View 1986 Prelude ›
1986	Honda Prelude	Base, Standard	View 1986 Prelude ›
1986	Honda Prelude	Si, Standard	View 1986 Prelude ›
1986	Honda Prelude	Si, Automatic	View 1986 Prelude ›
1987	Honda Accord	DX, 2D Hatchback, Standard	View 1987 Accord ›
1987	Honda Accord	DX, 4D Sedan, Automatic	View 1987 Accord ›
1987	Honda Accord	DX, 2D Hatchback, Automatic	View 1987 Accord ›
1987	Honda Accord	DX, 4D Sedan, Standard	View 1987 Accord ›
1987	Honda Accord	LX, Automatic	View 1987 Accord ›
1987	Honda Accord	LXi, 2D Hatchback, Automatic	View 1987 Accord ›
1987	Honda Accord	LX, Standard	View 1987 Accord ›
1987	Honda Accord	LXi, 4D Sedan, Automatic	View 1987 Accord ›
1987	Honda Accord	LXi, 2D Hatchback, Standard	View 1987 Accord ›
1987	Honda Accord	LXi, 4D Sedan, Standard	View 1987 Accord ›
1987	Honda Prelude	Base, Automatic	View 1987 Prelude ›
1987	Honda Prelude	Base, Standard	View 1987 Prelude ›
1987	Honda Prelude	Si, Automatic	View 1987 Prelude ›
1987	Honda Prelude	Si, Standard	View 1987 Prelude ›
1988	Honda Prelude	S, Standard	View 1988 Prelude ›
1988	Honda Prelude	S, Automatic	View 1988 Prelude ›
1989	Honda Prelude	S, Automatic	View 1989 Prelude ›
1989	Honda Prelude	S, Standard	View 1989 Prelude ›
1990	Honda Prelude	2.0 S, Automatic	View 1990 Prelude ›
1990	Honda Prelude	2.0 S, Standard	View 1990 Prelude ›
1990	Honda Prelude	2.0 Si, Automatic	View 1990 Prelude ›
1990	Honda Prelude	2.0 Si, Standard	View 1990 Prelude ›
1991	Honda Prelude	2.0 Si, Automatic	View 1991 Prelude ›
1991	Honda Prelude	2.0 Si, Standard	View 1991 Prelude ›
1980	Mazda RX-7	GS, Standard Trans	View 1980 RX-7 ›
1980	Mazda RX-7	GS, Automatic Trans	View 1980 RX-7 ›
1981	Mazda RX-7	GSL, Standard Trans	View 1981 RX-7 ›
1981	Mazda RX-7	GS, Standard Trans	View 1981 RX-7 ›
1981	Mazda RX-7	GS, Automatic Trans	View 1981 RX-7 ›
1981	Mazda RX-7	GSL, Automatic Trans	View 1981 RX-7 ›
1982	Mazda RX-7	GS, Standard Trans	View 1982 RX-7 ›
1982	Mazda RX-7	GSL, Automatic Trans	View 1982 RX-7 ›
1982	Mazda RX-7	GS, Automatic Trans	View 1982 RX-7 ›
1982	Mazda RX-7	GSL, Standard Trans	View 1982 RX-7 ›
1983	Mazda RX-7	GS, Automatic	View 1983 RX-7 ›
1983	Mazda RX-7	GS, Standard	View 1983 RX-7 ›
1983	Mazda RX-7	GSL, Automatic	View 1983 RX-7 ›
1983	Mazda RX-7	GSL, Standard	View 1983 RX-7 ›
1984	Mazda RX-7	GS, Automatic	View 1984 RX-7 ›
1984	Mazda RX-7	GS, Standard	View 1984 RX-7 ›
1984	Mazda RX-7	GSL, Automatic	View 1984 RX-7 ›
1984	Mazda RX-7	GSL, Standard	View 1984 RX-7 ›
1985	Mazda RX-7	GS, Standard	View 1985 RX-7 ›
1985	Mazda RX-7	GS, Automatic	View 1985 RX-7 ›
1985	Mazda RX-7	GSL, Automatic	View 1985 RX-7 ›
1985	Mazda RX-7	GSL, Standard	View 1985 RX-7 ›
1982	Nissan Stanza	2D Hatchback, Automatic Trans	View 1982 Stanza ›
1982	Nissan Stanza	2D Hatchback, Standard Trans	View 1982 Stanza ›
1982	Nissan Stanza	4D Hatchback, Automatic Trans	View 1982 Stanza ›
1982	Nissan Stanza	4D Hatchback, Standard Trans	View 1982 Stanza ›
1983	Nissan Stanza	Base, 2D Hatchback, Automatic	View 1983 Stanza ›
1983	Nissan Stanza	Base, 2D Hatchback, Standard	View 1983 Stanza ›
1983	Nissan Stanza	Base, 4D Hatchback, Automatic	View 1983 Stanza ›
1983	Nissan Stanza	Base, 4D Hatchback, Standard	View 1983 Stanza ›
1984	Nissan Stanza	XE, 2D Hatchback, Automatic	View 1984 Stanza ›
1984	Nissan Stanza	XE, 2D Hatchback, Standard	View 1984 Stanza ›
1984	Nissan Stanza	XE, 4D Hatchback, Automatic	View 1984 Stanza ›
1984	Nissan Stanza	XE, 4D Hatchback, Standard	View 1984 Stanza ›
1985	Nissan Stanza	GL, Automatic	View 1985 Stanza ›
1985	Nissan Stanza	GL, Standard	View 1985 Stanza ›
1985	Nissan Stanza	XE, Automatic	View 1985 Stanza ›
1985	Nissan Stanza	XE, Standard	View 1985 Stanza ›
1986	Nissan Stanza	GL, Automatic	View 1986 Stanza ›
1986	Nissan Stanza	GL, Standard	View 1986 Stanza ›
1987	Nissan Pulsar NX	XE, Automatic	View 1987 Pulsar NX ›
1987	Nissan Pulsar NX	XE, Standard	View 1987 Pulsar NX ›
1988	Nissan Pulsar NX	XE, Automatic	View 1988 Pulsar NX ›
1988	Nissan Pulsar NX	XE, Standard	View 1988 Pulsar NX ›
1989	Nissan Pulsar NX	XE, Automatic	View 1989 Pulsar NX ›
1989	Nissan Pulsar NX	XE, Standard	View 1989 Pulsar NX ›
1990	Nissan Pulsar NX	Automatic	View 1990 Pulsar NX ›
1990	Nissan Pulsar NX	Standard	View 1990 Pulsar NX ›
1980	Plymouth Arrow	Base, Automatic Trans	View 1980 Arrow ›
1980	Plymouth Arrow	Base, Standard Trans	View 1980 Arrow ›
1980	Plymouth Arrow	Fire Arrow, 1.6L Eng VIN K, Automatic Trans	View 1980 Arrow ›
1980	Plymouth Arrow	Fire Arrow, 1.6L Eng VIN K, Standard Trans	View 1980 Arrow ›
1980	Plymouth Arrow	Fire Arrow, 2.6L Eng VIN F, Standard Trans	View 1980 Arrow ›
1980	Plymouth Arrow	Fire Arrow, 2.6L Eng VIN F, Automatic Trans	View 1980 Arrow ›
1980	Subaru Brat	GL	View 1980 Brat ›
1981	Subaru Brat	GL	View 1981 Brat ›
1981	Subaru GL	2D Hatchback, 1.8L Eng VIN 5	View 1981 GL ›
1981	Subaru GL	4D Wagon, 1.8L Eng VIN 5	View 1981 GL ›
1982	Subaru Brat	GL	View 1982 Brat ›
1982	Subaru GL	2D Hatchback, 1.8L Eng VIN 5	View 1982 GL ›
1982	Subaru GL	4D Wagon, 1.8L Eng VIN 5	View 1982 GL ›
1983	Subaru GL	2D Hatchback, 1.8 5	View 1983 GL ›
1983	Subaru Brat	GL, Standard	View 1983 Brat ›