ALSN vs ETN

For growth investors, Eaton Corporation plc (ETN) is the stronger pick with 10.

3% revenue growth year-over-year, versus -6. 7% for Allison Transmission Holdings, Inc. (ALSN). Allison Transmission Holdings, Inc. (ALSN) offers the better valuation at 17. 4x trailing P/E (14. 1x forward), making it the more compelling value choice. Analysts rate Eaton Corporation plc (ETN) a "Buy" — based on 39 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Allison Transmission Holdings, Inc.

(ALSN) is the cheapest at 17. 4x versus Eaton Corporation plc at 40. 3x. On forward P/E, Allison Transmission Holdings, Inc. is actually cheaper at 14. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Allison Transmission Holdings, Inc. wins at 0. 62x versus Eaton Corporation plc's 1. 29x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Eaton Corporation plc (ETN) delivered a total return of +200.

0%, compared to +198. 2% for Allison Transmission Holdings, Inc. (ALSN). Over 10 years, the gap is even starker: ETN returned +637. 5% versus ALSN's +386. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Allison Transmission Holdings, Inc.

(ALSN) is the lower-risk stock at 1. 11β versus Eaton Corporation plc's 1. 42β — meaning ETN is approximately 29% more volatile than ALSN relative to the S&P 500. On balance sheet safety, Eaton Corporation plc (ETN) carries a lower debt/equity ratio of 57% versus 156% for Allison Transmission Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Eaton Corporation plc (ETN) is pulling ahead at 10.

3% versus -6. 7% for Allison Transmission Holdings, Inc. (ALSN). On earnings-per-share growth, the picture is similar: Eaton Corporation plc grew EPS 10. 1% year-over-year, compared to -11. 8% for Allison Transmission Holdings, Inc.. Over a 3-year CAGR, ETN leads at 9. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Allison Transmission Holdings, Inc.

(ALSN) is the more profitable company, earning 20. 7% net margin versus 14. 9% for Eaton Corporation plc — meaning it keeps 20. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ALSN leads at 32. 3% versus 19. 1% for ETN. At the gross margin level — before operating expenses — ALSN leads at 48. 4%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Allison Transmission Holdings, Inc. (ALSN) is the more undervalued stock at a PEG of 0. 62x versus Eaton Corporation plc's 1. 29x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Allison Transmission Holdings, Inc. (ALSN) trades at 14. 1x forward P/E versus 31. 7x for Eaton Corporation plc — 17. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ALSN: -9. 2% to $116. 00.

All stocks in this comparison pay dividends.

Eaton Corporation plc (ETN) offers the highest yield at 1. 0%, versus 0. 8% for Allison Transmission Holdings, Inc. (ALSN).

For long-horizon retirement investors, Allison Transmission Holdings, Inc.

(ALSN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 11), 0. 8% yield, +386. 6% 10Y return). Both have compounded well over 10 years (ALSN: +386. 6%, ETN: +637. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (ALSN (Consumer Cyclical) and ETN (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: ALSN is a mid-cap deep-value stock; ETN is a mid-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.