The short version

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

  • Aurora Innovation is the larger company, worth $10.5B, about 1.2 times Allison Transmission.
  • Aurora Innovation grew revenue faster over the last year (+100.0% vs +92.4%).
  • Allison Transmission keeps more of each dollar of revenue as operating profit (19.6% vs -19400.0%).

Side by side

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

MeasureALSNAUR
Market cap$8.7B$10.5B
Share price$109.86$5.83
Revenue (last fiscal year)$3.0B$3M
Free cash flow (last fiscal year)$661M-$612M
Revenue growth, last year+92.4%+100.0%
Revenue growth per year, last 5 fiscal years+5.8%-56.3%
Operating margin19.6%-19400.0%
Net margin12.0%-18000.0%
Return on equity26.7%-46.1%
P/E (trailing)16.3x—
Price / free cash flow13.4x—
EV / EBITDA14.4x—
FCF growth the price implies-0.50%—
Dividend yield1.0%—
Debt / equity3.40x0.11x
Fundamental gradeCD
Superinvestors holding it74
Insider purchases, last 12 months01

Results from SEC filings

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

Allison Transmission

YearRevenueFree cash flowOp. margin
2021$2.4B$460M27.9%
2022$2.8B$490M28.3%
2023$3.0B$659M30.3%
2024$3.2B$658M30.8%
2025$3.0B$661M29.2%

Aurora Innovation

YearRevenueFree cash flowOp. margin
2021$82M-$612M-891.5%
2022$68M-$523M-2723.5%
2023$0-$613M—
2024$0-$645M—
2025$3M-$612M-30033.3%

Where the revenue comes from

Allison Transmission · by products, 2025

North America On-Highway$1.5B51%
Service Parts, Support Equipment and Other$643M21%
Outside North America On-Highway$507M17%
Defense$267M9%
Global Off-Highway$53M2%

Aurora Innovation

No segment breakdown reported.

Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ALSN in Investingly

Questions

Which is bigger, Allison Transmission or Aurora Innovation?

Aurora Innovation (AUR), at $10.5B against $8.7B.

Which grows faster, ALSN or AUR?

Aurora Innovation: revenue grew +100.0% over the last year, against +92.4%.

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