How Are Diet Coke and Coke Zero Different?

At first glance, there seems to be not much of a difference between Diet Coke and Coke Zero. Both drinks are advertised as zero-calorie products and both are artificially sweetened to avoid any sugar content.

Neither of them has any carbs, protein or fat – or at least that’s how they’re advertised – and they’re produced by the same manufacturer. So is it just the label that’s different? Let’s analyze both drinks in more detail and find out!


Diet Coke

difference between diet coke and coke zero

Diet Coke, is a sugar and calorie-free drink produced by Coca-Cola, released on the market in 1982. Although it wasn’t necessarily aimed at women, towards all people careful about their sugar and calorie intake, the drink quickly became popular with the ladies – not so much with men, however.

The drink is also known as Coca-Cola Light in some countries, and it has its own specific taste, so it’s not just a diet version of the original.

The Coca-Cola company has come up with over 10 varieties under the Diet Coke brand, including Caffeine-Free, Vanilla, Sweetened with Splenda, Cherry, Citrus Zest, Plus, and Raspberry, some of which having been discontinued over the years.

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Coke Zero
what is the difference between diet coke and coke zero

Coke Zero, is a no-sugar low-calorie drink just like Diet Coke, but specifically marketed towards male consumers. Since the word “diet” is usually associated with women, men tended to avoid purchasing Diet Coke, and so the Zero version came to be.

Coke Zero was released on the market in 2005 and has a more “rugged” appearance, with a black background, the usual Coca-Cola logo written in red, and a white “Zero” is a geometric typeface.

In terms of taste, the drink resembles the original Coca-Cola very closely, but there are a few other flavor variants as well, such as Vanilla Zero and Cherry Zero.

There are some differences between Coke Zero and Diet Coke in terms of ingredients and their amounts too.


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The Difference between Diet Coke and Coke Zero

Now that you know a bit more about both products, let’s make a clear Diet Coke vs. Coke Zero comparison to see exactly what tells them apart. The table below will put the drinks and their specific characteristics side by side, to make things as simple and straightforward as possible.

Diet Coke

Coke Zero

Released in 1982 Released in 2005
Preferred by women Targeted towards male consumers
Diet Coke has its own specific flavor Coke Zero is meant to resemble the original Coca-Cola taste as closely as possible
Contains 12.8 mg caffeine per 100ml Contains only 9.6 mg caffeine per 100ml
Diet Coke contains citric acid, unlike Coke Zero Coke Zero has sodium citrate, but Diet Coke doesn’t
Diet Coke has twice the aspartame content compared to Coke Zero Coke Zero contains less aspartame but features more acesulfame potassium
There have been over 10 varieties of Diet Coke over the year Coke Zero comes in only four varieties.


As you can see, there’s a bigger difference between Diet Coke and Coke Zero than you might first think. Subscribe to learn more surprising facts about… anything and everything!