KitchenAid KES6403 Semi-Automatic Espresso Machine: A Sophisticated Home Espresso Maker

Published on Jan. 18, 2024, 4:05 p.m.

Making café-quality espressos and milk-based drinks at home just got easier with the KitchenAid KES6403 semi-automatic espresso machine. Read on to see how this elegantly designed machine can help you brew barista-level beverages in the comfort of your kitchen.


The KitchenAid KES6403 Semi-Automatic Espresso Machine, characterized by its compact, matte black plastic body, combines style with functionality. Despite its sleek appearance, some users have expressed concerns about the plastic construction, desiring a more durable material like stainless steel. The machine’s fast heat-up thermocoil technology and intuitive controls facilitate a smooth learning curve for beginners. However, it’s worth noting that the machine’s water tank capacity is 1100 ml, which some users find insufficient for high-volume use. Additionally, while the machine boasts easy operation, the quality of espresso can be sensitive to the grind of the beans and the tamping pressure, highlighting the importance of precision in preparation.

 KitchenAid KES6403 Semi-Automatic Espresso Machine

Key Features:

  • Compact and stylish exterior design
  • Fast heat-up thermocoil technology
  • Precise espresso extraction with 15-bar pump pressure
  • Dual temperature sensors for optimal brewing temperature
  • 58mm commercial-style portafilter and tamper
  • Single and double shot dosing
  • Steam wand for frothing milk
  • Removable water tank for easy refilling
  • Comes with a variety of accessories including a coffee scoop, tamper, steam wand, milk pitcher, and cleaning brush
  • Users have reported that the machine’s durability and build quality, particularly the use of plastic, could be improved.

Design and Build:

The KitchenAid KES6403 Semi-Automatic Espresso Machine has a sleek metal exterior with a compact footprint. The use of metal and quality components ensures durability. The intuitive switch and dial controls make operation seamless.


The KitchenAid KES6403 Semi-Automatic Espresso Machine can be easily unpacked, assembled, and started within minutes. No complex setup steps required.

Ease of Use:

The front-mounted pulse button and grind setting dial allow easy operation. The grounds bin and hopper can be effortlessly removed for transfer and cleaning.

Noise Level:

The KitchenAid KES6403 Semi-Automatic Espresso Machine operates at a reasonable noise level around 76 db, quieter than many entry-level electric grinders. The grinding noise is smooth, not high-pitched and annoying.

Grinding Performance:

The 40 settings produce grinds ranging from fine powder to coarse grits very consistently. Grounds appear uniform without visible fines. No overheating issues even with prolonged use.


It takes about 10 seconds to grind enough for 2 shots of espresso. Larger amounts take under 30 seconds.


Grinds remain very consistent across multiple tests of the same setting.


Brushing out the burrs is easy and other parts are detachable for thorough cleaning.


With proper maintenance, the Encore can last 5+ years of regular home use. Baratza provides excellent customer support and a 1-year warranty.

Extra Features:

A handy grounds bin fullness detector alerts when the bin needs emptying.


The grinder uses safe, low-voltage DC power. All components meet electrical safety standards.

 KitchenAid KES6403 Semi-Automatic Espresso Machine

Ideal Usage Scenarios:

The KitchenAid KES6403 Semi-Automatic Espresso Machine allows avid home baristas to craft café-style espressos, cappuccinos and lattes with ease. It is an excellent option for espresso aficionados looking to recreate the authentic coffeehouse experience daily in their cozy home kitchens. Great for entertaining guests and impressing fellow coffee lovers.

User Feedback Analysis:

The KitchenAid KES6403BM semi-automatic espresso machine has received largely positive reviews from customers. Here is an analysis of the user feedback:

Satisfied Customers Praise:

  • “The espresso comes out rich, thick and robust every time. I can really taste the difference compared to my old drip coffee machine.” Customers are impressed with the full-bodied flavor and silky crema produced by the 15-bar pressure system.

  • “I’m a total beginner at making espresso drinks, but this machine is so easy even I could make cafe-quality lattes after just a few tries.” Users find the simplistic controls and intuitive workflow perfect for beginners.

  • “It looks sleek on my kitchen counter and takes up much less space than other bulky espresso machines.” Customers appreciate the compact, yet elegant design with stainless accents.

  • “The fast heat-up time means I can have a hot espresso ready to drink in under a minute.” Many love the rapid 45-second heating that makes morning coffee convenient.

Potential Issues Identified:

  • “The milk frothing wand started leaking water after 6 months of use. I have to send it in for repair now.” A small number of customers experienced technical issues after some months of use.

  • “It would be nice if the water reservoir was a bit bigger so I don’t have to refill it multiple times a day.” Some customers felt the 1100 ml tank capacity is inadequate for their high volume needs.

  • “I wish the exterior was made of stainless steel instead of plastic given the premium price.” Some expected an all metal construction for durability at this price point.

  • “The milk frothing nozzle is pretty tricky to disassemble and clean thoroughly after each use.” Users find the included auto milk frother attachment more tedious to clean.

  • “If you don’t grind the beans perfectly and tamp just right, you can end up with weak, bitter tasting shots.” Finicky espresso preparation techniques can impact taste for inexperienced users.

In summary, most customers find the KitchenAid Semi-Automatic Espresso Machine delivers exceptional performance, ease of use and beautiful countertop design. Some reliability complaints and desire for higher capacity tanks exist. Overall, users feel it provides a superb home espresso experience on par with commercial machines.


  • Fast heat-up and recovery
  • Dual temperature sensors
  • Easy to use controls
  • Compact, stylish look


  • Small water tank capacity
  • Mostly plastic construction
  • Quality control issues


With premium features like dual temperature sensors, fast heating system and 15-bar pump paired with beginner-friendly use, the KitchenAid KES6403 Semi-Automatic Espresso Machine offers solid value for money. It punches above its class with semi-commercial performance and foolproof operation.


For those looking to level up their home brewing, the KitchenAid KES6403 Semi-Automatic Espresso Machine is a well-designed, user-friendly semi-automatic espresso machine. Delivering reliable performance and easily mastered operation, it enables crafting quality espressos and milk drinks at home. Pay attention to quality control reports before purchase. Overall, it makes an attractive option for entry-level hobbyists.

What’s Included:

The KitchenAid KES6403 Semi-Automatic Espresso Machine comes with the espresso machine unit, portafilter, coffee scoop, tamper, steam wand, milk pitcher, water tank, 4 filter baskets, drip tray and cleaning brush.


  • Power: 1460 watts
  • Pump Pressure: 15 bar
  • Water Tank Capacity: 1100 ml
  • Dimensions: 13.15” W x 11.26” H x 6.38” D
  • Weight: 6.8 kg
  • Material: Plastic
  • Milk Frothing: Steam wand

Frequently Asked Questions

### How does the dual temperature sensor system work?

The KitchenAid KES6403 Semi-Automatic Espresso Machine features two smart temperature sensors that constantly monitor water temperature during the brewing process. This ensures optimal extraction temperature for each shot, resulting in a consistently delicious and flavorful espresso.

### What’s the difference between single-wall and double-wall filter baskets?

  • Single-wall filter baskets: Designed for use with freshly ground coffee, these baskets allow for greater control over the extraction process and a more complex flavor profile.
  • Double-wall filter baskets: Ideal for pre-ground coffee, these baskets have an extra layer that helps to regulate pressure and create a richer crema, even with less precise grinding.

### How important is the quality of the coffee grind?

The quality and consistency of your coffee grind are crucial for making great espresso. A burr grinder is highly recommended for the best results. Experiment with different grind settings to find the perfect balance for your taste preferences.

### Can this machine steam milk effectively?

Yes! The KitchenAid KES6403 Semi-Automatic Espresso Machine comes with a versatile steam wand that allows you to easily create silky, textured milk for lattes, cappuccinos, and other specialty drinks. For added convenience, you might consider purchasing the automatic milk frother attachment, which prepares your milk for you at the touch of a button.

### Is this machine easy to clean?

The KitchenAid KES6403 Semi-Automatic Espresso Machine features removable parts and a drip tray for relatively easy cleaning. Regularly rinsing the portafilter, steam wand, and milk pitcher after use will help maintain the machine and ensure your best espresso experience.


  • Always use fresh, high-quality coffee beans. The taste of your espresso is directly influenced by the quality of your beans.
  • Invest in a good grinder. Consistently ground coffee is essential for achieving the perfect espresso shot.
  • Experiment with different grind sizes and tamp pressure. These variables impact extraction and influence the flavor of your espresso.
  • Preheat your portafilter and cups. A warm portafilter and cups help maintain the ideal temperature of your espresso.
  • Clean the machine regularly. Proper maintenance maximizes the lifespan of your machine and helps keeps your espresso tasting its best.