315/45R18 Tire Size

Specifications, compatible vehicles, alternative sizes, and comparison links for 315/45R18.

Tire Specifications

315/45R18

Standard Tire Size Notation

315

Section Width (mm)

45

Aspect Ratio (%)

18”

Rim Diameter (in)

Overall Diameter:740.7 mm (29.2”)
Sidewall Height:141.8 mm (5.6”)
Circumference:2327 mm
Revolutions/Mile:692

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 315/45R18.

Plus Sizing

325/40R18335/35R18

Minus Sizing

305/50R18295/55R18

Same Diameter

305/45R18325/45R18

Compare Tire Sizes

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