245/70R17 Tire Size in Inches

A 245/70R17 tire is about 30.5 inches tall and 9.65 inches wide, with a 6.75-inch sidewall, fitted to a 17-inch wheel.

Source: manufacturer documents (listed below) · Updated 2026-11-05 · By CarWhere Research

Overall diameter
30.5 in
Section width
9.65 in
Sidewall height
6.75 in
Revolutions / mile
661

Calculated nominal dimensions; circumference 95.8 in. Measured size varies slightly by tire model and rim width.

Vehicles with factory 245/70R17 tires

Vehicles fitted with 245/70R17 tires from the factory
VehicleTrimYears
Toyota Tacoma17-inch tires (type A)2024, 2025, 2026[1],[2],[3]
Toyota Tacoma17-inch tires (type B)2024, 2025, 2026[1],[2],[3]
Toyota 4Runner17-inch tires (type A)2025, 2026[4],[5]
Toyota 4Runner17-inch tires (type B)2025, 2026[4],[5]

Compared with nearby sizes

245/70R17 compared with nearby sizes
SizeDiameterDifference
245/70R1730.5 in—
245/65R1729.5 in-3.3%
245/75R1731.5 in+3.3%

Width in inches

Check the exact vehicle, not just the model

Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.

Frequently asked questions

How tall is a 245/70R17 tire in inches?

About 30.5 inches: a 17-inch wheel plus two 6.75-inch sidewalls (245 × 70% = 171.5 mm each).

How wide is a 245/70R17 tire?

9.65 inches of section width (245 mm ÷ 25.4).

What vehicles come with 245/70R17 tires?

In our manufacturer-sourced data: Toyota Tacoma, Toyota 4Runner — trims and years are in the table above.

Sources

  1. Toyota Motor Sales, U.S.A., Inc., Toyota 2024 Tacoma Owner's Manual USA and Canada Only (OM04041U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  2. Toyota Motor Sales, U.S.A., Inc., Toyota 2025 Tacoma Owner's Manual USA and Canada Only (OM04011U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  3. Toyota Motor Sales, U.S.A., Inc., Toyota 2026 Tacoma Owner's Manual USA and Canada Only (OM04051U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  4. Toyota Motor Sales, U.S.A., Inc., Toyota 2025 4Runner Owner's Manual USA and Canada Only (OM35B85U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  5. Toyota Motor Sales, U.S.A., Inc., Toyota 2026 4Runner Through May 2026 Prod. Owner's Manual USA and Canada Only (OM35C07U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).