315/40R18 Tire Size

Specifications, compatible vehicles, alternative sizes, and comparison links for 315/40R18.

Tire Specifications

315/40R18

Standard Tire Size Notation

315

Section Width (mm)

40

Aspect Ratio (%)

18”

Rim Diameter (in)

Overall Diameter:709.2 mm (27.9”)
Sidewall Height:126 mm (5.0”)
Circumference:2228 mm
Revolutions/Mile:722

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 315/40R18.

Plus Sizing

325/35R18335/30R18

Minus Sizing

305/45R18295/50R18

Same Diameter

305/40R18325/40R18

Compare Tire Sizes

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