Decoded sidewall size
315/70R17 tire size
315/70R17 in inches: 34.36" overall diameter — 12.40" wide, 8.68" sidewall.
Methodology: dimensions are calculated from standard ETRTO tire-size formulas. Last reviewed June 2026 by the TreadSize editorial team.
Before you fit 315/70R17: verify the vehicle placard, load index, speed rating, wheel offset, and full-lock/full-compression clearance. Nominal dimensions do not guarantee a safe physical fit.
Compare this sizeFull dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 872.8 mm | 34.36 in |
| Section width | 315 mm | 12.40 in |
| Sidewall height | 220.5 mm | 8.68 in |
| Rim diameter | 431.8 mm | 17 in |
| Circumference | 2742.0 mm | 107.95 in |
| Revolutions per mile | 586.9 | |
| Aspect ratio | 70% | |
NHTSA safety record for 315/70R17
Drawn from official U.S. government (NHTSA) consumer complaint and recall filings for this exact tire size — not the generic averages you'll find elsewhere.
1 tire recall on record affecting 315/70R17
- NHTSA 20T018000 · 2020 GENERAL TIRE RELIATREK HT Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss
These are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated failure rates, and not adjusted for how many tires of this size are in service. Popular sizes naturally accumulate more reports. Use this as a research signal, not a verdict on any specific tire. Data as of 2021. Source: NHTSA Office of Defects Investigation (public domain). Always check the latest recalls at NHTSA.gov and report a tire problem if you have one.
Recall timeline for 315/70R17
NHTSA campaigns affecting this tire size, grouped from the local recall dataset. Exact owner-notification dates are not stored here; open the campaign at NHTSA for current remedy details.
How 315/70R17 compares inside the NHTSA size dataset
This comparison is derived only from tire sizes that have a real NHTSA complaint or recall record in the TreadSize dataset. Source: NHTSA ODI — Consumer Complaints (FLAT_CMPL) + Recalls (FLAT_RCL), U.S. DOT public domain; Complaints through 2021.
Nearby safety records by complaint volume
Dataset download: JSON or CSV. Latest recall lookup: NHTSA.gov.
Frequently asked questions
What is the overall diameter of a 315/70R17 tire?
A 315/70R17 tire has an overall diameter of 34.36 inches (872.8 mm).
How tall is a 315/70R17 tire?
The sidewall height is 220.5 mm (8.68 inches), and the overall diameter from the ground to the top of the tire is 34.36 inches.
How many revolutions per mile does a 315/70R17 tire make?
A 315/70R17 tire makes approximately 587 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 315/70R17 tire fit?
A 315/70R17 tire is designed for a 17-inch rim (431.8 mm).
Are there recalls or safety complaints for 315/70R17 tires?
NHTSA has 0 consumer complaints on record for the 315/70R17 size and 1 recall. These are unverified consumer reports, not validated failure rates, and are not adjusted for how many tires of this size are in service.
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.