The short version

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

  • Magna International is the larger company, worth $16.6B, about 1.8 times Aptiv.
  • Aptiv grew revenue faster over the last year (+2.3% vs -1.9%).
  • On earnings, Magna International is the cheaper stock (21.8x vs 41.3x).
  • Magna International's price assumes faster free cash flow growth: about -9% 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.

MeasureAPTVMGA
Market cap$9.3B$16.6B
Share price$43.80$63.99
Revenue (last fiscal year)$20.4B$42.0B
Free cash flow (last fiscal year)$1.5B$2.3B
Revenue growth, last year+2.3%-1.9%
Revenue growth per year, last 5 fiscal years+6.9%+3.8%
Operating margin5.3%—
Net margin1.2%2.0%
Return on equity2.5%6.6%
P/E (trailing)41.3x21.8x
Price / free cash flow6.08x9.12x
EV / EBITDA8.61x6.89x
FCF growth the price implies-11.1%-8.6%
Dividend yield—3.2%
Debt / equity1.06x1.49x
Fundamental gradeDD
Superinvestors holding it64
Insider purchases, last 12 months20

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%

Magna International

YearRevenueFree cash flowOp. margin
2021$36.2B$1.6B—
2022$37.8B$414M—
2023$42.8B$649M—
2024$42.8B$1.5B—
2025$42.0B$2.3B—

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%

Magna International · by segments, 2025

Body Exteriors & Structures$16.6B39%
Power & Vision$15.2B36%
Seating Systems$5.9B14%
Complete Vehicles$4.8B11%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, Aptiv or Magna International?

Magna International (MGA), at $16.6B against $9.3B.

Is APTV or MGA cheaper?

By trailing P/E, Magna International (21.8x) is cheaper than Aptiv (41.3x). A lower multiple can also mean the market expects less growth.

Which grows faster, APTV or MGA?

Aptiv: revenue grew +2.3% over the last year, against -1.9%.

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