Parashas Chayei Sarah · Passuk 25:7
This was the total span of Avraham’s life: one hundred and seventy-five years.
Rashi on Bereishis 25:7 (classical source on this passuk; not listed as a numbered Torah Temimah unit here).
Lemma / focus: מאת שנה ושבעים שנה וחמש שנים.
English: At one hundred he was like a seventy-year-old, and at seventy like a five-year-old, without sin.
Derash on the verse (Rashi) — not a formal named middah of the 13: the repeated counting of years is taken as a sign of unbroken righteousness.
Avraham’s years are counted in stages to teach that at one hundred he was as free of sin as at seventy, and at seventy as at five.