What is the diameter of a 240/45R41 tire?

A 240/45R41 tire has an overall diameter of 49.5 inches (1257.3mm).

How many revolutions per mile does a 240/45R41 tire make?

A 240/45R41 tire makes approximately 407 revolutions per mile.

What rim width is recommended for 240/45R41 tires?

The recommended wheel rim width for a 240/45R41 tire is 6" - 8.4".

240/45R41

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 240/45R41 tire size features an overall diameter of 49.5 inches, a section width of 9.4 inches (240mm), and rotates 407 times per mile. It is a standard factory tire fitment on 2+ vehicle models including BMW M6.

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Physical Dimensions & Specs

Overall Diameter

49.5"

1257.3 mm

Section Width

240 mm

9.45" wide

Sidewall Height

4.25"

107.9 mm (45% aspect)

Revolutions / Mile

407

Circumference: 155.52"

Rim Diameter

41"

Wheel size

Recommended Rim Width

6" - 8.4"

Optimal rim width range

Where to Buy & Install 240/45R41 Tires

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Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 240/45R41 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)240/45R41

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:49.5"

Sidewall:4.3"

Revs/Mile:407

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

-40.3%At 60 mph reading, actual speed is 35.8 mph

Indicated	Actual Speed	Diff
20 mph	11.9 mph	-8.1 mph
30 mph	17.9 mph	-12.1 mph
45 mph	26.9 mph	-18.1 mph
60 mph	35.8 mph	-24.2 mph
75 mph	44.8 mph	-30.2 mph
90 mph	53.8 mph	-36.2 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:-9.96" lower ground clearance

Vehicles That Fit 240/45R41 (2+ Models)

Factory standard and optional vehicle fitments utilizing 240/45R41 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
1987	BMW M6	M6	View 1987 M6 ›
1988	BMW M6	M6	View 1988 M6 ›