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The Keurig K55 Classic Coffee Maker Review: Is It Worth the Hype?

It’s in the name: combining retro and modern elements, the K55 is so iconic that it’s pretty much considered a (K)Classic when it comes to single-serve coffee makers. It’s easy to use, quick and good value for money. Could it be your next coffee machine? Read our Keurig K55 review to discover all its features and decide if it’s the right one for you.

The Keurig K55

  • 3 different cup sizes to choose from
  • Smart features including the descaling reminder
  • Practical 48 oz water tank

The Keurig K55 Coffee Maker Review

Keurig K55 Review
  • Custom Brewing Features
  • Make Your Life Easier’ Features
  • Water Reservoir

Custom Brewing Features – 2.5/5

As you might have guessed looking at the limited control panel, the K55 is certainly not the most customizable Keurig coffee maker (no temperature control nor 4 and 10 oz brew sizes, to name a few missing features), but not even the least. This model is about speed and practicality rather than extra features, which is probably why it lost the Strong Brew option of its predecessor (the k50).

Still, the Keurig K-Classic lets you choose between 3 different cup sizes: 6, 8 or 10 ounces.

Like all Keurig coffee makers, it’s compatible with hundreds of K-Cups, from coffee blends to hot chocolates, meaning that you can get a different flavor simply by trying different one-cup pods (1).

“Flavour in coffee is strongly influenced by the country of origin those beans came from.”

However, we strongly recommend that you buy a My K-Cup reusable filter instead. While K-Cups are certainly quick and practical, they are definitely not cheap in the long run, they contain stale coffee and have a terrible environmental impact. With a reusable filter, you’ll be able to reduce your plastic footprint as well as get much better-tasting coffee with your fresh grounds… and you’ll be able to customize your coffee more by trying different types of grounds and origins!

Make Your Life Easier’ Features – 4.5/5

This is why people love the Keurig K55: it’s simple to use thanks to the intuitive control panel, fast (it takes less than a minute to brew a cup of coffee!) and incredibly practical. For example, it switches itself off automatically 2 hours after your last brew, saving energy and money (2).

This model has a handy Add Water light that prompts you to fill the reservoir if there isn’t enough water for your chosen brew size.

It also has a Maintenance Reminder, which lets you know when it’s time to descale your coffee brewer with Keurig’s descaling solution (usually between 3 to 6 months). (3) This, combined with the removable water reservoir and drip tray, makes the cleaning process incredibly easy.

keurig machine and its removable drip tray
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Water reservoir – 4/5

The water tank of the Keurig K55 is another example of practical design: as we mentioned before, it’s removable, which makes it easy to fill up and clean, and it contains up to 48 ounces of water. This means that you could have a coffee a day for a week without having to refill it. It’s also compatible with Keurig’s charcoal water filter. By using filtered water, you’ll end up with a much better tasting coffee, so… trust us and use it!

Do NOT buy if

You want more features and customizable options – The K55 is perfect if all you want is a reliable and quick cup of coffee. However, if you want to be able to customize it a bit more, then the limited features of this entry-level coffee maker will not be your cup of tea (err… coffee). We think that the Keurig K-Elite, with its 5 brew sizes, temperature control, altitude control and Hot Water button, would be a much better choice. You can find out more about its features in our K-Elite K-cup brewer review.

You want some froth in your life – If you like Keurig but you’d love to enjoy delicious milky drinks as well as classic drip coffee, then we think that the Keurig K-Café would be a better model for you: it has an integrated frother that can froth milk for both lattes and cappuccinos. Give our review a quick read if you’re torn between the two, or check out these other single serve coffee makers.

The Nespresso Pixie can also make you frothy drinks if you purchase it with the Aeroccino. Do you want a creamy shot of espresso? This machine won’t disappoint. You can read our full review of the Nespresso Pixie here.

You are not too sure about K-Cups – Did our paragraph about the problems associated with K-Cups resonate with you? We feel you! Come to the grounds side: we’ve got amazing coffee!

Kcups used for this Keurig K55 review
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While you can obviously use the reusable filter with a Keurig, if you’re ready to ditch K-Cups completely we recommend the Hamilton Beach The Scoop. It’s a quick budget-friendly single-serve coffee maker that uses coffee grounds instead of one-cup pods.

You want something you can carry everywhere – If you want a single coffee maker you can take anywhere, the Oomph Coffee Maker and the Aeropress are two products you can consider. Take them to your next travel abroad or when you go camping with your friends. Just put one of these coffee makers in your backpack and you’re good to go. And here’s the nicer part: both coffee makers use coffee grounds, which means you won’t be contributing to the billions of coffee capsules that end up in landfills every year.

The Verdict

Giving you 3 different sizes of drip coffee in less than a minute, the K55 is a good entry level single cup coffee machine without any frills that is perfect for those who want to start their day with a fast and consistent cup of joe. It will complement any kitchen thanks to its smooth design and the choice of 2 different colors.

the Keurig K55 on white background
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See on Amazon

While the K-Classic is certainly good value for money when it comes to Keurig models, if you’re not 100% sure we think that our roundup: best Keurig coffee makers, may be worth a read.


Yes, there are differences between Keurig K50 and K55, even though they’re very similar. The Keurig K50 has a Strong Brew option, but is slower than the K55, lacks features such as the Add Water light and the Maintenance Reminder and is not compatible with the charcoal water filter. Furthermore, the K50 is a discontinued model.

No, you can’t make espresso with a Keurig because Keurig machines don’t brew under pressure. If you’re interested in single cup coffee makers that make espresso, then we recommend that you look at automatic espresso machines such as Nespresso models, instead.

No, you can’t use Nespresso pods in Keurig: only K-Cups and My K-Cup reusable filters are compatible with Keurig coffee makers.

No, K-Mug and K-Carafe pods are not compatible with the Keurig K-Classic. They’re designed for the Keurig K-Plus series, which does not include the K55.

  1. Kragiopoulos, H. (2017, May 24). Single Coffee Origins from Around the World. Retrieved from https://www.northstarroast.com/coffee-origins-from-around-world/
  2. (n.d.). (2019, January 14). How Much Energy Does My Coffee Maker Use? Retrieved from https://www.firstchoicepower.com/the-light-lab/energy-education/how-much-energy-does-my-coffee-maker-use/
  3. (n.d.). (2017, June 28). How often do I need to descale my system? Retrieved from https://support.keurig.com/article?id=kA036000000CJgi
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Hi, I'm Scott, and I've traveled extensively through North America and Europe, exploring food and drink pairings around the world. My Love of coffee began during my teen years when a friend's family introduced me to the glories of the classic Italian Moka pot. That technology got me through too many early-morning final exams in college and eventually led to a manual espresso machine after graduation.

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