TreadSize

Decoded sidewall size

255/50R19 tire size

255/50R19 in inches: 29.04" overall diameter — 10.04" wide, 5.02" sidewall.

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

255/50R19 tire detail photo with TreadSize diameter, width, and rim measurement card
Overall diameter 29.04 in 737.6 mm
Section width 10.04 in 255 mm
Sidewall height 5.02 in 127.5 mm
Revs / mile 695 speedo calibration

Before you fit 255/50R19: 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 737.6 mm 29.04 in
Section width 255 mm 10.04 in
Sidewall height 127.5 mm 5.02 in
Rim diameter 482.6 mm 19 in
Circumference 2317.2 mm 91.23 in
Revolutions per mile 694.5
Aspect ratio 50%

NHTSA safety record for 255/50R19

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 0 filed with NHTSA
Recalls on record 1 see below

1 tire recall on record affecting 255/50R19

  • NHTSA 17T003000 · 2017 COOPER DISCOVERER M+S SPORT The affected tires may not provide the expected traction or performance in snow conditions, increasing the risk of a crash.
Look up these campaign numbers at NHTSA.gov →

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 255/50R19

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
17T003000 - 2017 COOPER DISCOVERER M+S SPORT The affected tires may not provide the expected traction or performance in snow conditions, increasing the risk of a crash.

How 255/50R19 compares inside the NHTSA size dataset

Complaint rank #241 of 271 among 271 safety-record sizes
Vs dataset median 10 below median 10 complaints
Top failure share 0% No leading category

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

425/65R22 0 complaints · 4 recalls 240/50R16 0 complaints · 2 recalls 255/55R20 0 complaints · 2 recalls 325/60R18 0 complaints · 2 recalls 120/70R14 0 complaints · 1 recalls 120/70R15 0 complaints · 1 recalls 150/70R18 0 complaints · 1 recalls 160/60R14 0 complaints · 1 recalls

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

Related tire sizes

255/55R19 → 255/60R19 → 255/50R20 →
Decode another tire size →  ·  Compare two sizes →  ·  Plus sizing →

Frequently asked questions

What is the overall diameter of a 255/50R19 tire?

A 255/50R19 tire has an overall diameter of 29.04 inches (737.6 mm).

How tall is a 255/50R19 tire?

The sidewall height is 127.5 mm (5.02 inches), and the overall diameter from the ground to the top of the tire is 29.04 inches.

How many revolutions per mile does a 255/50R19 tire make?

A 255/50R19 tire makes approximately 695 revolutions per mile. Your speedometer is calibrated to this number.

What rim size does a 255/50R19 tire fit?

A 255/50R19 tire is designed for a 19-inch rim (482.6 mm).

Are there recalls or safety complaints for 255/50R19 tires?

NHTSA has 0 consumer complaints on record for the 255/50R19 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.