DeLonghi Coffee Grinder: What You Need to Know Before Buying
DeLonghi makes some of the most popular entry-level coffee grinders on the market, and for good reason. They hit a sweet spot between price and performance that most beginners are looking for. I've used several DeLonghi grinders over the years, starting with their basic blade model before moving up to their burr options, and I can tell you exactly where they shine and where they fall short.
In this piece, I'll walk you through the different DeLonghi grinder models, how they perform for various brewing methods, and whether they're worth your money compared to other brands in the same price range. If you're shopping for your first grinder or looking for a solid upgrade without breaking the bank, this should help you make a smart choice.
The DeLonghi Grinder Lineup
DeLonghi offers several grinder models, but three stand out as the most commonly purchased. Understanding the differences between them saves you from buying the wrong one.
DeLonghi KG89
The KG89 is their most affordable burr grinder. It uses conical steel burrs and offers around 18 grind settings. I found it does a decent job for drip coffee and French press, but struggles with espresso-fine grinds. The hopper holds about 120 grams of beans, and it has a simple dial for adjusting coarseness.
One thing I appreciate about the KG89 is the upper burr pops out easily for cleaning. Coffee oils build up fast on grinder burrs, and being able to remove them without tools is a real plus.
DeLonghi KG521
This is their mid-range option and the one I recommend most often. It has 18 grind settings with additional micro-adjustments, giving you more control over particle size. The 350-gram hopper means you're not constantly refilling it. It also has a built-in portafilter holder, which tells you DeLonghi designed this one with espresso in mind.
Dedica KG520.M
The Dedica model is essentially a rebranded version of the KG521 with a slightly different exterior design. The internals are nearly identical. If you find one cheaper than the other, just grab whichever costs less.
Grind Quality and Consistency
Let's be honest about what you're getting at this price point. DeLonghi grinders produce acceptable grinds for drip, pour-over, and French press. For espresso, they work, but you'll notice more inconsistency in particle size compared to grinders from Baratza or Eureka that cost two to three times as much.
I ran beans through my KG521 and compared the grounds side by side with my Baratza Encore. The DeLonghi produced slightly more fines (those tiny dust-like particles) mixed in with the medium grounds. For a drip brew, this barely matters. For espresso, it can cause channeling in your puck, which leads to uneven extraction.
The grind adjustment mechanism uses a stepped dial. This means you click between preset positions rather than having infinite adjustment. For most people, 18 steps is plenty. For espresso perfectionists, you might find yourself wishing for a setting between two clicks.
Heat and Static
DeLonghi grinders run at moderate RPMs, which generates some heat during extended grinding sessions. If you're grinding 18 grams for a single espresso shot, heat is a non-issue. But grinding 60 grams for a large batch of cold brew, you'll notice the grounds feel warm.
Static is moderate. Grounds tend to cling to the collection container and the chute. A quick spritz of water on your beans before grinding (the RDT technique, or Ross Droplet Technique) eliminates this almost entirely.
Build Quality and Durability
DeLonghi grinders are built with a mix of plastic and metal components. The burrs themselves are steel, which is what matters most. The housing is mostly plastic, which keeps the weight and price down. My KG521 has been running for over two years with no mechanical issues.
The one weak point I've noticed is the grind adjustment dial. It feels a little loose after extended use, though it still clicks into position accurately. The hopper lid fits snugly, which is good for keeping beans fresh during the few hours they sit in there (though I recommend only loading what you need for that session).
The portafilter holder is a nice touch, but it works best with DeLonghi's own 51mm portafilters. If you have a standard 58mm portafilter from a machine like a Breville or Gaggia, it won't sit as securely. You can still make it work, but you'll need to hold it in place.
Who Should Buy a DeLonghi Grinder
DeLonghi grinders make the most sense for a specific type of buyer:
- Drip and pour-over brewers who want fresher coffee than pre-ground but don't need lab-grade precision
- Budget-conscious espresso beginners who want to learn the basics without spending $300+ on a grinder
- People who already own a DeLonghi espresso machine and want a matching grinder that integrates well
If you're serious about espresso and plan to invest in a quality machine, I'd encourage you to look at our picks for the best coffee grinder in higher price brackets. A grinder is where you should spend the most money in your coffee setup, and stepping up to something from Eureka or Baratza will make a noticeable difference in your cup.
DeLonghi vs. The Competition
At the $60 to $120 price range, DeLonghi competes directly with the Baratza Encore, Oxo Brew, and Capresso Infinity.
The Baratza Encore beats the DeLonghi on grind consistency and has better customer support (Baratza sells individual replacement parts). The Oxo Brew has a similar grind quality but adds a built-in scale on some models. The Capresso Infinity runs quieter but has fewer grind settings.
Where DeLonghi wins is availability. You can find their grinders at almost any department store or big-box retailer. Baratza is mostly online-only. If you want to walk into a store and walk out with a grinder today, DeLonghi is usually your best option.
For a broader comparison, check out our top coffee grinder roundup where we test models across every price point.
FAQ
Can I use a DeLonghi grinder for espresso?
Yes, but with a caveat. The finer settings on models like the KG521 produce grounds that work for pressurized portafilter baskets. For a non-pressurized basket, you'll get decent shots but not competition-level extraction. Expect some inconsistency in shot times until you dial in the right setting.
How often should I clean a DeLonghi grinder?
I clean mine every two weeks with a brush and once a month with grinder cleaning tablets. Coffee oils go rancid over time and will make your coffee taste stale and bitter. Pop out the upper burr, brush away retained grounds, and run a few cleaning tablets through to dissolve oil buildup.
Are DeLonghi grinder burrs replaceable?
Yes, though finding replacement burrs can be tricky depending on your model. DeLonghi's customer service can help you source the right part. Burrs typically last 500 to 1,000 pounds of coffee before they need replacing, so most home users won't hit that threshold for years.
Is the DeLonghi KG521 worth the upgrade over the KG89?
If you're brewing espresso, absolutely. The additional micro-adjustments and portafilter holder make a real difference. For drip coffee only, the KG89 does the job fine, and you can save the price difference for better beans.
The Bottom Line
DeLonghi grinders are solid entry-level machines that punch above their weight for drip and pour-over brewing. They're not the best choice for serious espresso work, but they'll get you started without a huge financial commitment. If you find yourself outgrowing one, you can always upgrade later and pass the DeLonghi to someone just getting into fresh-ground coffee. Start with the KG521 if espresso is on your radar, or save a few bucks with the KG89 if you're sticking to drip.