The short version

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

  • CarMax is the larger company, worth $7.5B, about 2.0 times OPENLANE.
  • CarMax grew revenue faster over the last year (+19.5% vs +15.1%).
  • OPENLANE's price assumes faster free cash flow growth: about -2% a year, against -11% for CarMax (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.

MeasureKMXOPLN
Market cap$7.5B$3.8B
Share price$52.61$36.71
Revenue (last fiscal year)$25.9B$1.9B
Free cash flow (last fiscal year)$1.2B$336M
Revenue growth, last year+19.5%+15.1%
Revenue growth per year, last 5 fiscal years-5.1%+7.5%
Operating margin—11.5%
Net margin1.1%9.7%
Return on equity4.6%12.8%
P/E (trailing)31.5x—
Price / free cash flow6.05x11.4x
EV / EBITDA27.3x12.6x
FCF growth the price implies-11.2%-2.4%
Dividend yield——
Debt / equity3.13x2.19x
Fundamental gradeCC
Superinvestors holding it96
Insider purchases, last 12 months00

Results from SEC filings

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

CarMax

YearRevenueFree cash flowOp. margin
2022$31.9B-$2.9B—
2023$29.7B$861M—
2024$26.5B-$7M—
2025$26.4B$156M—
2026$25.9B$1.2B—

OPENLANE

YearRevenueFree cash flowOp. margin
2021$1.5B$170M8.8%
2022$1.5B-$57M6.2%
2023$1.7B$185M-8.0%
2024$1.8B$240M10.2%
2025$1.9B$336M10.2%

Where the revenue comes from

CarMax · by segments, 2024

CarMax Sales Operations$26.4B99%
Other Segments$136M1%

OPENLANE · by segments, 2025

Marketplace$1.5B78%
Finance$434M22%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open KMX in Investingly

Questions

Which is bigger, CarMax or OPENLANE?

CarMax (KMX), at $7.5B against $3.8B.

Which grows faster, KMX or OPLN?

CarMax: revenue grew +19.5% over the last year, against +15.1%.

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