2013 Toyota 4Runner — SR5
The 2013 Toyota 4Runner SR5 shipped with 2 different factory tire sizes, depending on the wheel package it left the factory with (this can also reflect a staggered front/rear setup). Check your tire sidewall or door placard to confirm which one applies to your vehicle.
This trim shipped with more than one tire size (staggered fitment, front/rear, or optional wheel package). Confirm which one matches your vehicle by checking your tire sidewall or door placard.
265/70R17
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 70% (185.5 mm) |
| Rim diameter | 17" |
| Overall tire diameter | ~31.6" |
| Revolutions per mile | ~638 |
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245/60R20
| Section width | 245 mm |
|---|---|
| Aspect ratio (sidewall height) | 60% (147 mm) |
| Rim diameter | 20" |
| Overall tire diameter | ~31.6" |
| Revolutions per mile | ~639 |
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What this size means for your Toyota 4Runner
On the 2013 Toyota 4Runner SR5, the factory 265/70R17 measures about 31.6″ in overall diameter with a 185.5 mm (7.3″) sidewall, and completes roughly 638 revolutions per mile. Its 70-series aspect ratio gives a tall sidewall of the kind used on trucks, SUVs, and older passenger cars, built for cushioning and load. In tire terms it is a passenger (P-metric / Euro-metric) size.
The 265/70R17 and 245/60R20 roll within 0″ (0%) of each other in overall diameter, so they are interchangeable from a speedometer standpoint — the second size is an optional wheel package rather than a different rolling size.
Other 2013 Toyota 4Runner trims
Toyota 4Runner tire sizes by year
- 2026 Toyota 4Runner 265/55R20
- 2025 Toyota 4Runner 265/55R20
- 2024 Toyota 4Runner 245/60R20
- 2023 Toyota 4Runner 265/70R17
- 2022 Toyota 4Runner 245/60R20
- 2021 Toyota 4Runner 245/60R20
- 2020 Toyota 4Runner 245/60R20
- 2019 Toyota 4Runner 245/60R20
- 2018 Toyota 4Runner 245/60R20
- 2017 Toyota 4Runner 245/60R20
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.