235/40R18 Tire Size

Specifications, compatible vehicles, alternative sizes, and comparison links for 235/40R18.

Tire Specifications

235/40R18

Standard Tire Size Notation

235

Section Width (mm)

40

Aspect Ratio (%)

18”

Rim Diameter (in)

Overall Diameter:645.2 mm (25.4”)
Sidewall Height:94 mm (3.7”)
Circumference:2027 mm
Revolutions/Mile:794

Compatible Vehicles

No vehicles found for this tire size in our database.

Alternative Tire Sizes

Plus/minus sizing options and same-diameter alternatives based on 235/40R18.

Plus Sizing

245/35R18255/30R18

Minus Sizing

225/45R18215/50R18

Same Diameter

225/40R18245/40R18

Compare Tire Sizes

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