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265/70R18 Tire Size: Dimensions and Vehicles

265/70R18 is a tire size notation. It describes geometry but does not establish the load, speed, tire class, wheel approval or fit of a particular replacement.

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How to read this size

  • Nominal width: 265 mm
  • Aspect ratio: 70 %
  • Wheel diameter: 18.0 in
  • Calculated nominal diameter: 828.2 mm

Calculated nominal diameter is an arithmetic estimate from the size code; actual product measurements vary.

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Before ordering tires

Read the driver-door tire placard. Match the installed wheel, axle, tire class, load index, speed rating and any OE marking. The size alone cannot approve a replacement SKU. Tire-sidewall maximum pressure is not your vehicle’s cold inflation pressure.

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Vehicles recorded with this size

Documented vehicle applications
Model year and vehicleTrim / optionAxleService
2026 Ford ExpeditionActive 200A/202AunspecifiedNot documented
2025 Ford F-150STX FX4 with Off-Road PackageunspecifiedNot documented
2025 Ford F-150XLT FX4 with Off-Road PackageunspecifiedNot documented
2025 Lexus GX550Overtrailfront_rearNot documented
2025 Nissan ArmadaSVunspecifiedNot documented
2024 Nissan TitanSVunspecifiedNot documented
2025 Toyota TacomaTRD Off-Road HybridunspecifiedNot documented
2025 Toyota TacomaTRD ProunspecifiedNot documented
2025 Toyota TacomaTrailhunterunspecifiedNot documented

Exact product variants in research

No source-backed rows are available for this exact selection.

Explore 265/70R18 tires on Amazon

Amazon search results may mix tire classes, load and speed ratings, OE markings and package quantities. Match the full requirement on your actual vehicle before ordering.

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Search 265/70R18 tires on Amazon

Compare sizes with the tire size calculator. It is an educational geometry comparison, not a fitment ruling.

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Sources and scope

Research checked November 2, 2026. A source-observed size is not final product fitment. Confirm the actual vehicle and current manufacturer guidance.

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