Which tire sizes show up most in complaints?

ST225/75R15 leads at 26.

Tire sizes named in the most NHTSA tire complaints

What it shows: ST225/75R15 is the largest at 26, followed by 265/75R16 at 22; the smallest shown is LT265/75R16 at 11.

Source: NHTSA owner complaint files, tire-product records · file downloaded 2026-10-05

Data and chart by CalcScrape: Tire Cost Calculator