Allison Transmission (ALSN) vs Dorman Products (DORM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Allison Transmission (ALSN) has outperformed Dorman Products (DORM) over the past year, gaining 32.3% versus a loss of 14.1%. Over five years, ALSN leads with a +215.5% price change compared with +22.1% for DORM. Allison Transmission is the larger company by market cap ($8.82 billion vs $3.63 billion), about 2.4 times the size, while Dorman Products is growing revenue faster (+6.0% vs -6.7%).
On valuation, Allison Transmission trades at a lower forward P/E (9.5x vs 13.3x for Dorman Products). Allison Transmission pays a dividend yielding 1.05%, while Dorman Products does not currently pay one. Allison Transmission converts more of its revenue into profit, with a net margin of 20.7% versus 9.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ALSN | DORM |
|---|---|---|
| Share price | $106.81 | $122.28 |
| Market cap | $8.82B | $3.63B |
| 1-day change | -3.57% | -0.48% |
| YTD return | +13.14% | -0.26% |
| 1-year return | +32.35% | -14.08% |
| 5-year return | +215.47% | +22.09% |
| P/E ratio (TTM) | 16.98 | 16.96 |
| Forward P/E | 9.49 | 13.30 |
| EPS (TTM) | $6.29 | $7.21 |
| Dividend yield | 1.05% | 0.00% |
| Annual dividend | $1.12 | $0.00 |
| Revenue (latest FY) | $3.01B | $2.13B |
| Revenue growth (YoY) | -6.67% | +6.03% |
| Net income (latest FY) | $623.00M | $204.19M |
| Gross margin | 48.60% | 42.14% |
| Operating margin | 29.24% | 14.06% |
| Net margin | 20.70% | 9.59% |
| 52-week high | $137.62 | $164.00 |
| 52-week low | $76.01 | $98.45 |
| Distance from 52-week high | -22.39% | -25.44% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +31.76% | +32.18% |
| Average volume | 805.92K | 254.15K |
| Shares outstanding | 82.58M | 29.68M |
| Employees | 4,000 | 3,871 |
| Sector | Consumer Discretionary | Consumer Discretionary |
| Industry | Auto Parts:O.E.M. | Auto Parts:O.E.M. |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Allison Transmission is about 2.4 times larger than Dorman Products by market value ($8.82B vs $3.63B).
- ALSN has outperformed DORM by 46.4 percentage points over the past year.
- Allison Transmission offers a meaningfully higher dividend yield (1.05% vs 0.00%).
- Allison Transmission is more profitable, keeping 20.7 cents of every revenue dollar as net income versus 9.6 cents for Dorman Products.
- Dorman Products grew revenue faster in its latest fiscal year (+6.03% vs -6.67%).
About Allison Transmission
ALSN stock →Allison Transmission Holdings, Inc., together with its subsidiaries, designs, manufactures, and sells fully automatic transmissions for medium- and heavy-duty commercial vehicles and medium- and heavy-tactical U.S. defense vehicles, and electrified propulsion systems worldwide.
Consumer Discretionary · Auto Parts:O.E.M. · 4,000 employees
About Dorman Products
DORM stock →Dorman Products, Inc. supplies replacement and upgrade parts for the motor vehicle aftermarket industry in the United States and internationally.
Consumer Discretionary · Auto Parts:O.E.M. · 3,871 employees
ALSN vs DORM FAQ
Which is bigger, Allison Transmission or Dorman Products?
Allison Transmission (ALSN) is larger, with a market capitalization of $8.82B compared with $3.63B for Dorman Products (DORM).
Which stock has performed better over the past year, ALSN or DORM?
ALSN returned +32.35% over the past 12 months, compared with -14.08% for DORM (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ALSN or DORM?
DORM has the lower trailing P/E at 17.0, versus 17.0 for ALSN. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Allison Transmission or Dorman Products?
Allison Transmission pays a dividend yielding 1.05%, while Dorman Products does not currently pay a regular dividend.
Are Allison Transmission and Dorman Products in the same industry?
Yes. Both are classified in the Auto Parts:O.E.M. industry within the Consumer Discretionary sector.