Answers.Body: <p>There are a number of different types of porters and stouts, so it isn't necessarily a simple answer, but I would say the use of roasted grains in stouts, particularly roasted barley, is the biggest difference.  As such, you end up with more burnt toast and coffee type flavors in a stout, but the amount and type of roastiness depends upon the type of stout.  If you get the chance, try a side-by-side comparison between the regular Guinness and the Guinness Foreign Extra stouts where the regular Guinness comes off more roasty than the Foreign Extra.</p>
  
  <p>Most porters have little to no roastiness.  I think of them as having more smoother chocolate-type flavors, and to be lighter in color (deep red or ruby as opposed to black), but there is a lot of overlap in the Venn diagrams between the two.</p>
  
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Answers.Text: This is my experience as well. I like the first answer, although I think it's important to note the 'modern' distinction too, and I think this is it. Most porters I come across have a nice body, and are often sweetened or spiced.
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Answers.Body: <p>Beer Connoisseur Online answers this pretty thoroughly in <a href="https://beerconnoisseur.com/articles/difference-between-porter-and-stout">an article</a>.  </p>
  
  <p>The TLDR: is that "...originally a stout was a strong version of a porter.  Today, the difference is whatever you want it to be."</p>
  
  <p>For an interesting history on the term Stout and the style of beer, you can check out this <a href="http://www.realbeer.com/library/authors/smith-g/stout.php">history of stout article</a> provided by Eric Deloak.  Similarly you can read a <a href="http://www.realbeer.com/library/authors/smith-g/porter.php">history of porter article</a> written by the same author: Gregg Smith</p>
  
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Answers.Text: Gregg Smith is a historian and actually does research about beer. Great guy too - I met him at a beer fest where I helped judge (they needed an extra pallate, but I was not 'official')  http://www.realbeer.com/library/authors/smith-g/stout.php
Answers.UserDisplayName: Eric Deloak
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Answers.Text: that's a great article Eric - I will add it to my answer.
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Answers.UserDisplayName: Bill Rawlinson
Answers.Body: <p>Well, that style thing is complicated because in real world people just make beer, and don't make beer to satisfy styles guides (at least, not until very recentely when some people started to care more about style guidelines than the beer itself).</p>
  
  <p>Anyway, what I think is important to be aware is:</p>
  
  <ul>
  <li>Many styles have a long and old history, often centuries, and what we have as one nowadays doesn't have much to do with what it was once ago.</li>
  <li>Styles change a lot over time as well. I'm not a specialist, but I think before the american craft beer revolution and revival in the early 80's, no one was gathering and classifying beer styles in a guide like BJCP. And that same revival brought back to life many dead styles in different fashion (well, look the case of IPAs), by the way.</li>
  <li>Generally, despite style guides, people have their own understanding of what is X or Y, and when naming their beers, they will do it based on their perception and references too, not strictly style guidelines.</li>
  <li>If you look closer, porter and stout are ancient reference styles for more specific and contemporaneous styles (sweet stout, dry stout, outmeal stout, brown porter, robust porter, russian imperial stout, etc).</li>
  </ul>
  
  <p>So, I think it makes more sense telling the difference between a milk and an outmeal stout, or brown and baltic porter than stout X porter.</p>
  
  <p>For what's worth, for me, there's no difference between stout and porter. What I mean is, at least not so that we, as consumers, can trust and be 100% of what you are going to get if you choose one over the other, specially when the name is generic like that.</p>
  
  <p>What I think is enlightening is to understand the history of those related styles and how they came to be what they are today.</p>
  
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Answers.UserDisplayName: Edson Marquezani Filho
Answers.Body: <p>BJCP style guides aside, I generally love porters and don't care for stouts. The latter (in my experience) tend to have a much more pronounced roasted malt character.  (I do like most milk stouts though, now that that's a thing)</p>
  
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Body: <p>Porters and stouts seem very similar and sometimes stores and restaurants group them together as if they're two different names for the same thing.</p>
  
  <p>Is there a difference and what is it?</p>
  
Tags: <stout><classification><porter>
Title: What's the difference between a porter and a stout?
UserDisplayName: crownjewel82
ThreadText: # What's the difference between a porter and a stout?
  
  (Asked by: username_0 on 2014-01-21)
  
  Porters and stouts seem very similar and sometimes stores and restaurants group them together as if they're two different names for the same thing.
  
  Is there a difference and what is it?
  
  **Tags:** stout, classification, porter
  
  
  ---
  
  ## 4 answers
  
  ### Answer by username_3 on 2014-01-21. Score: 25 | Accepted answer
  
  Beer Connoisseur Online answers this pretty thoroughly in [an article](https://beerconnoisseur.com/articles/difference-between-porter-and-stout).
  
  The TLDR: is that "...originally a stout was a strong version of a porter. Today, the difference is whatever you want it to be."
  
  For an interesting history on the term Stout and the style of beer, you can check out this [history of stout article](http://www.realbeer.com/library/authors/smith-g/stout.php) provided by username_4. Similarly you can read a [history of porter article](http://www.realbeer.com/library/authors/smith-g/porter.php) written by the same author: Gregg Smith
  
  > **Comments:**
  > **username_4**: Gregg Smith is a historian and actually does research about beer. Great guy too - I met him at a beer fest where I helped judge (they needed an extra pallate, but I was not 'official')  http://www.realbeer.com/library/authors/smith-g/stout.php  
  > **username_3**: that's a great article Eric - I will add it to my answer.  
  
  ---
  
  ### Answer by username_1 on 2015-11-12. Score: 7
  
  There are a number of different types of porters and stouts, so it isn't necessarily a simple answer, but I would say the use of roasted grains in stouts, particularly roasted barley, is the biggest difference. As such, you end up with more burnt toast and coffee type flavors in a stout, but the amount and type of roastiness depends upon the type of stout. If you get the chance, try a side-by-side comparison between the regular Guinness and the Guinness Foreign Extra stouts where the regular Guinness comes off more roasty than the Foreign Extra.
  
  Most porters have little to no roastiness. I think of them as having more smoother chocolate-type flavors, and to be lighter in color (deep red or ruby as opposed to black), but there is a lot of overlap in the Venn diagrams between the two.
  
  > **Comments:**
  > **username_2**: This is my experience as well. I like the first answer, although I think it's important to note the 'modern' distinction too, and I think this is it. Most porters I come across have a nice body, and are often sweetened or spiced.  
  
  ---
  
  ### Answer by username_5 on 2015-07-20. Score: 4
  
  Well, that style thing is complicated because in real world people just make beer, and don't make beer to satisfy styles guides (at least, not until very recentely when some people started to care more about style guidelines than the beer itself).
  
  Anyway, what I think is important to be aware is:
  
  * Many styles have a long and old history, often centuries, and what we have as one nowadays doesn't have much to do with what it was once ago.
  * Styles change a lot over time as well. I'm not a specialist, but I think before the american craft beer revolution and revival in the early 80's, no one was gathering and classifying beer styles in a guide like BJCP. And that same revival brought back to life many dead styles in different fashion (well, look the case of IPAs), by the way.
  * Generally, despite style guides, people have their own understanding of what is X or Y, and when naming their beers, they will do it based on their perception and references too, not strictly style guidelines.
  * If you look closer, porter and stout are ancient reference styles for more specific and contemporaneous styles (sweet stout, dry stout, outmeal stout, brown porter, robust porter, russian imperial stout, etc).
  
  So, I think it makes more sense telling the difference between a milk and an outmeal stout, or brown and baltic porter than stout X porter.
  
  For what's worth, for me, there's no difference between stout and porter. What I mean is, at least not so that we, as consumers, can trust and be 100% of what you are going to get if you choose one over the other, specially when the name is generic like that.
  
  What I think is enlightening is to understand the history of those related styles and how they came to be what they are today.
  
  
  ---
  
  ### Answer by username_6 on 2015-07-22. Score: 2
  
  BJCP style guides aside, I generally love porters and don't care for stouts. The latter (in my experience) tend to have a much more pronounced roasted malt character. (I do like most milk stouts though, now that that's a thing)
  
  
  ---
  
  