225/45R16

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 225/45R16 tire size features an overall diameter of 23.97 inches, a section width of 8.9 inches (225mm), and rotates 841 times per mile. It is a standard factory tire fitment on 1+ vehicle models including Dodge SRT-4.

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Physical Dimensions & Specs

Overall Diameter

23.97"

608.8 mm

Section Width

225 mm

8.86" wide

Sidewall Height

3.99"

101.3 mm (45% aspect)

Revolutions / Mile

841

Circumference: 75.31"

Rim Diameter

16"

Wheel size

Recommended Rim Width

5.6" - 7.9"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 225/45R16 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)225/45R16
Overall Height:24.0"
Sidewall:4.0"
Revs/Mile:841
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 124.0" HeightTire 229.6" Height

Speedometer Variance

+23.4%At 60 mph reading, actual speed is 74.0 mph
IndicatedActual SpeedDiff
20 mph24.7 mph+4.7 mph
30 mph37.0 mph+7.0 mph
45 mph55.5 mph+10.5 mph
60 mph74.0 mph+14.0 mph
75 mph92.5 mph+17.5 mph
90 mph111.0 mph+21.0 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:+2.80" ground clearance

Vehicles That Fit 225/45R16 (1+ Models)

Factory standard and optional vehicle fitments utilizing 225/45R16 tires:

YearMake & ModelTrim / VariantLookup Specs
2005Dodge SRT-4SRT-4View 2005 SRT-4