Keurig K45 Review – Pros, Cons & Verdict

Last Updated: by: Amanda T

Review of Keurig K45

Editor Rating: 4.3/5

Build Quality

Review Summary

The Keurig K45 is intended as a non-morning person’s best friend. It brews quickly, turns itself off, isn’t so loud you imagine the world is coming to an end, and is simple enough to operate through the murk of brain fog. You roll out of bed, slap the pod into the cup, close the lid, and hit a button, and less than a minute later you’ve got a steaming hot cup of wakefulness. It’s also compatible with every K-cup pod on the market for real variety.

It accommodates three sizes of cups, which is actually where the only thing approaching brew strength control exists. The more hot water you send through the pod, the weaker the coffee. If you want a really strong 10-ounce cup of coffee, you’ll have to figure out a workaround, which of course is the last thing you want to do first thing in the morning.

Keurig K45 – A Quick Look

  • Brews any K-cup pod
  • Easy to operate
  • Fast
  • Auto-off feature
  • Quietish
  • The more you brew, the weaker it is
  • Intended only for home use
  • Requires a lot of maintenance


Brand name: Keurig

Model: K45

Dimensions: 14.9 x 12.2 x 14.1 in.

Weight: 11.8 lbs.

Input power: 110V

Brew sizes: 6, 8, 10 oz.

Water capacity: Removable 48 oz.

Variety of flavors

The K45 will accept K-cup pods from dozens from roasters, offering hundreds of different flavors. That’s not just coffee, but also teas and hot chocolate. You can start with a breakfast blend from your favorite brand, roll into a hot chai for the afternoon, and end the evening making yourself a cup of hot chocolate. While this machine doesn’t technically make iced drinks, making iced drinks is as simple as adding your own cubes for even greater versatility.

Early morning friend

You roll out of bed. Your tongue feels like it is covered in fur. You want a cup of coffee. Getting a cup of coffee is a simple as picking a pod, putting it in your K45, and pressing a button. By the time you get back from shaving your tongue, your coffee is brewed. Soon, you’re ready to greet the day.

Turns itself off

Crushing, existential dread overcomes you, and you sit in your favorite chair to internalize your day. You are working it out while sipping your K45-brewed coffee, and the thought strikes you that you need to turn it off before leaving the house, or else fate will add a house fire to your long list of horrors. But then, a wave of relief washes over you. Your K45 has an auto turn-off feature.


Is the K45 compatible with every Keurig-compatible pod?

Yes, and you can also use your own grounds if you purchase the reusable cup off the Internet.

Can you modify the brew temperature?

No, the Keurig K45 warms water temperature to 192 degrees Fahrenheit as the optimum for operation. By the time it’s done brewing, your drink has cooled to about 180 degrees Fahrenheit.

My water tastes terrible. Can you attach a water filter to the reservoir?


What the Users Say

The great thing about the Internet is that it removes all gatekeepers between you and raw information. If you read someone’s review of a product, you can go see if that stands up to what other people experienced with it. The terrible thing about the Internet is that it removes all gatekeepers between you and raw information. That means sifting through reviews written by people barely capable of fogging a mirror, people with axes to grind, or people living in places decorated with their multiple manifestos scrawled out in crayon on the backs of Denny’s placemats.

To help you navigate this, we read those reviews and condensed our findings here. You’re still free to go read the raw data if you have lots of time to kill.

Overall, people were very pleased with the K45’s ability to brew coffee quickly and simply. Most people who bought it really just wanted that. Higher-end Keurigs came with a lot more bells and whistles, but the K45 did the basics very well for a very good price.

The primary complaint about the K45 was its durability. Every product line produces a lemon or two, but the K45 had a much larger body of complaints about its reliability than you would normally expect. Either lots of people are making up stories about the K45, or it has lingering issues with its construction. People also found that it required a lot of cleaning and maintenance to keep it in tip-top shape.

In the big picture, that’s still a pretty small number of people. About nine in 10 people who bought the K45 really liked it because it did exactly what they wanted it to do. It brewed quality coffee quickly and offered a wide, wide range of flavors.


Keurig’s K45 is a great low-end coffee maker whose sole function is to help you transition from a half-sleeping zombie to a fully functional human being. It is designed for use in the home and is simple to operate. It brews quickly and turns itself off. The hardest task is picking which of the hundreds of flavors of K-cups you want to drink.

It’s also a bit persnickety and needs ongoing cleaning to stay in good shape. Its idea of brew strength control is also based on how much coffee you brew, which is like always using the same amount of grounds in a traditional drip coffee maker to brew both two cups or eight.

It’s still a great coffee maker for a pretty good price. If you’re looking for something to get you caffeinated quickly in the morning, the K45 is a good bargain.