TreadSize

Decoded sidewall size

245/70R17 tire size

245/70R17 in inches: 30.50" overall diameter — 9.65" wide, 6.75" sidewall.

Methodology: dimensions are calculated from standard ETRTO tire-size formulas. Last reviewed June 2026 by the TreadSize editorial team.

245/70R17 tire detail photo with TreadSize diameter, width, and rim measurement card
Overall diameter 30.50 in 774.8 mm
Section width 9.65 in 245 mm
Sidewall height 6.75 in 171.5 mm
Revs / mile 661 speedo calibration

Before you fit 245/70R17: 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 size

Full dimensions

Measurement Metric Imperial
Overall diameter 774.8 mm 30.50 in
Section width 245 mm 9.65 in
Sidewall height 171.5 mm 6.75 in
Rim diameter 431.8 mm 17 in
Circumference 2434.1 mm 95.83 in
Revolutions per mile 661.2
Aspect ratio 70%

NHTSA safety record for 245/70R17

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.

Complaints on record 43 filed with NHTSA
Recalls on record 10 see below
Reported harm 2 reported crashes · 2 injuries

10 tire recalls on record affecting 245/70R17

  • NHTSA 22T001000 · 2022 TRI-ACE PIONEER A/T III Sidewall separation can lead to tire failure, increasing the risk of a crash.
  • NHTSA 15T016000 · 2015 BF GOODRICH COMMERCIAL T/A A/S 2 If the tire sidewall ruptures during use resulting in a rapid air loss, it can cause loss of vehicle control, increasing the risk of a vehicle crash.
  • NHTSA 14T013000 · 2014 CAPITOL PRECISION TRAC II A tire tread separation may result in sudden air loss, increasing the risk of a vehicle crash.
  • NHTSA 10T003000 · 2010 COOPER DISCOVERER LSX TREAD CHUNKS MAY SEPARATE FROM THE TIRE CASING RESULTING IN BODY DAMAGE TO THE VEHICLE OR THE DRIVER MAY LOSE CONTROL RESULTING IN A CRASH.
  • NHTSA 10T004000 · 2010 HERCULES TERRA TRAC SUV TREAD CHUNKS MAY SEPARATE FROM THE TIRE CASING RESULTING IN BODY DAMAGE TO THE VEHICLE OR THE DRIVER MAY LOSE CONTROL RESULTING IN A CRASH.
  • NHTSA 10T007000 · 2010 ACCC AMERICAN PROSPECTOR SUV TREAD CHUNKS MAY SEPARATE FROM THE TIRE CASING RESULTING IN BODY DAMAGE TO THE VEHICLE OR THE DRIVER MAY LOSE CONTROL RESULTING IN A CRASH.
Look up these campaign numbers at NHTSA.gov →

What owners report fails — 245/70R17

  • Tread separation 19
  • Out of round 7
  • Blowout 6
  • Cracking 2
  • Blister 2

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 245/70R17

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.

Open size recall page
22T001000 - 2022 TRI-ACE PIONEER A/T III Sidewall separation can lead to tire failure, increasing the risk of a crash. 15T016000 - 2015 BF GOODRICH COMMERCIAL T/A A/S 2 If the tire sidewall ruptures during use resulting in a rapid air loss, it can cause loss of vehicle control, increasing the risk of a vehicle crash. 14T013000 - 2014 CAPITOL PRECISION TRAC II A tire tread separation may result in sudden air loss, increasing the risk of a vehicle crash. 10T007000 - 2010 ACCC AMERICAN PROSPECTOR SUV TREAD CHUNKS MAY SEPARATE FROM THE TIRE CASING RESULTING IN BODY DAMAGE TO THE VEHICLE OR THE DRIVER MAY LOSE CONTROL RESULTING IN A CRASH.

How 245/70R17 compares inside the NHTSA size dataset

Complaint rank #59 of 271 among 271 safety-record sizes
Vs dataset median 33 above median 10 complaints
Top failure share 44% Tread separation

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

225/40R18 44 complaints · 0 recalls 265/65R17 45 complaints · 2 recalls 195/70R14 45 complaints · 0 recalls 215/55R16 40 complaints · 0 recalls 255/80R22 40 complaints · 0 recalls 235/60R16 39 complaints · 0 recalls 275/60R17 47 complaints · 0 recalls 195/55R15 38 complaints · 0 recalls

Dataset download: JSON or CSV. Latest recall lookup: NHTSA.gov.

Related tire sizes

235/70R17 → 255/70R17 → 225/70R17 → 265/70R17 → 245/65R17 → 245/75R17 → 245/70R16 →
Decode another tire size →  ·  Compare two sizes →  ·  Plus sizing →

Frequently asked questions

What is the overall diameter of a 245/70R17 tire?

A 245/70R17 tire has an overall diameter of 30.50 inches (774.8 mm).

How tall is a 245/70R17 tire?

The sidewall height is 171.5 mm (6.75 inches), and the overall diameter from the ground to the top of the tire is 30.50 inches.

How many revolutions per mile does a 245/70R17 tire make?

A 245/70R17 tire makes approximately 661 revolutions per mile. Your speedometer is calibrated to this number.

What rim size does a 245/70R17 tire fit?

A 245/70R17 tire is designed for a 17-inch rim (431.8 mm).

Are there recalls or safety complaints for 245/70R17 tires?

NHTSA has 43 consumer complaints on record for the 245/70R17 size and 10 recalls; the most reported issue is tread separation (19 reports). 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.