The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Genuine Parts is the larger company, worth $17.0B, about 1.8 times Aptiv.
  • Genuine Parts grew revenue faster over the last year (+6.0% vs +2.3%).
  • On earnings, Aptiv is the cheaper stock (41.3x vs 265.2x).
  • Genuine Parts's price assumes faster free cash flow growth: about 14% a year, against -11% for Aptiv (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureAPTVGPC
Market cap$9.3B$17.0B
Share price$43.80$127.02
Revenue (last fiscal year)$20.4B$24.3B
Free cash flow (last fiscal year)$1.5B$421M
Revenue growth, last year+2.3%+6.0%
Revenue growth per year, last 5 fiscal years+6.9%+6.5%
Operating margin5.3%—
Net margin1.2%0.13%
Return on equity2.5%0.72%
P/E (trailing)41.3x265.2x
Price / free cash flow6.08x40.3x
EV / EBITDA8.61x32.6x
FCF growth the price implies-11.1%14.2%
Dividend yield—3.5%
Debt / equity1.06x3.65x
Fundamental gradeDD
Superinvestors holding it69
Insider purchases, last 12 months210

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Aptiv

YearRevenueFree cash flowOp. margin
2021$15.6B$611M7.6%
2022$17.5B$419M7.2%
2023$20.1B$990M7.8%
2024$19.7B$1.6B9.3%
2025$20.4B$1.5B5.8%

Genuine Parts

YearRevenueFree cash flowOp. margin
2021$18.9B$992M—
2022$22.1B$1.1B—
2023$23.1B$923M—
2024$23.5B$684M—
2025$24.3B$421M—

Where the revenue comes from

Aptiv · by segments, 2025

Electrical Distribution Systems$8.8B43%
Engineered Components Group$5.8B28%
Advanced Safety and User Experience$5.8B28%

Genuine Parts · by segments, 2025

North America Automotive$9.5B39%
Industrial$8.9B37%
International Automotive$5.9B24%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open APTV in Investingly

Questions

Which is bigger, Aptiv or Genuine Parts?

Genuine Parts (GPC), at $17.0B against $9.3B.

Is APTV or GPC cheaper?

By trailing P/E, Aptiv (41.3x) is cheaper than Genuine Parts (265.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, APTV or GPC?

Genuine Parts: revenue grew +6.0% over the last year, against +2.3%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.