Comparison
American porter vs Dry stout
What is the difference between American porter and Dry stout?
The short answer
The main difference is dryness: Dry stout has far more of it than American porter. American porter also leads on caramel & toffee, sweetness and body.
Generated from the two style records. No editor has written this comparison up, so it carries no verdict beyond what the data supports.
Where they overlap
They share comparable bitterness, roast, malt intensity, the same style family — the boundary between them is narrower than the comparison suggests.
Side by side
| American porter | Dry stout | |
|---|---|---|
| Family | Porter & stout | Porter & stout |
| Fermentation | Top-fermented (ale) | Top-fermented (ale) |
| Origin | United States | Ireland |
| Category status | Established | Established |
| Strength | 4.8–6.5% ABV | 3.8–5% ABV |
| Bitterness (IBU) — IBU measures iso-alpha acids in the lab. It does not track perceived bitterness, which residual sweetness, body and roast all alter — compare the sensory rows below for how each actually tastes. | 25–50 IBU | 25–45 IBU |
| Colour — These are the same depth in the glass; colour is not what tells them apart. | Very dark brown to black — 22–40 SRM, 43–79 EBC | Black, with ruby highlights at the edge — 25–40 SRM, 49–79 EBC |
| Original gravity | 1.050–1.070 | 1.036–1.050 |
| Final gravity | 1.012–1.018 | 1.007–1.011 |
| Serving temperature | 9–12°C | 6–10°C |
| Carbonation | 2–3 vol CO₂ | 1.6–2.1 vol CO₂ |
| Glassware | Nonic pint, Tulip glass | Nonic pint, Tulip glass |
| Clarity | clear | opaque |
How they taste different
| Character | American porter | Dry stout |
|---|---|---|
| Dryness | Not characteristic | High–Very high |
| Caramel & toffee | Low | Not characteristic |
| Sweetness | Low–Moderate | Trace |
| Body | Moderate | Low |
| Hop aroma | Low | None–Trace |
| Citrus | Trace–Low | Not characteristic |
| Yeast fruitiness (esters) | Not characteristic | Trace |
| Carbonation | Moderate | Low |
| Chocolate & cocoa | Moderate–High | Low |
Which should you choose?
- You want more dryness → Dry stout
- You want more caramel & toffee → American porter
Derived from where the two actually differ. Neither is better — this is a question of which difference you want.