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What is the difference between 300 and 500 Series Bosch Dishwashers?

Both the 300 and 500 series Bosch dishwashers are top sellers. However, it’s worth spending extra for a 500 series dishwasher for 3 reasons:

  1. Better drying
  2. Better racks
  3. Better storage for cooking tools

If you’re looking for a dishwasher that’s quiet and cleans your dishes at a reasonable price, Bosch is a great option. For this reason, Bosch has been a top selling dishwasher brand for decades. Bosch dishwashers come in a variety of styles, colors, and prices. Whether you want to match your cabinets with a custom wood front panel, or want to buy a small space 18’’ dishwasher, Bosch makes an option for everyone.

Bosch categorizes their dishwashers by series, Acenta, 300, 500, 800, and Benchmark series dishwashers vary in features, flexibility, and price.

The Bosch 300 and 500 series dishwashers are very popular for their quiet performance at a competitive price. I purchased a 300 series dishwasher a few years ago for my home, because at the time, it was the least expensive dishwasher I was willing to afford. Overall, I was very impressed by the great cleaning performance for the great price.

You might be asking, what is the difference between the 300 and 500 series Bosch dishwashers? Is it worth it to spend a little more to get the Bosch 500 series? Let’s take a look at the two series in a side-by-side comparison. For this article I chose to compare DLX models. Bosch DLX dishwashers are sold exclusively at independent retailers. Bosch DLX dishwashers typically have more cycles and options compared to their regular dishwasher line.

300 vs. 500 Series Bosch Dishwashers

  • 24 Inch Fully Integrated Built-In Dishwasher
  • 3rd Rack
  • RackMatic® adjustable height racks
  • FlexSpace™ Folding Tines
  • 16 Place Setting Capacity
  • Silence Rating of 44 dBA
  • Speed60®
  • InfoLight®
  • 24/7 AquaStop®
  • NSF® Sanitize
  • ENERGY STAR® Rated
  • 24 Inch Fully Integrated Built-In Dishwasher
  • 3rd Rack
  • RackMatic® adjustable height racks
  • FlexSpace™Folding Tines
  • 16 Place Settings
  • Silence Rating of 44 dBA
  • Speed60®
  • InfoLight®
  • 24/7 AquaStop®
  • NSF® Sanitize
  • ENERGY STAR®
  • AutoAir™
  • Extra Dry Option
  • EasyGlide™
  • Flexible 3rd Rack
  • Flexible Silverware Basket

Looking at this comparison you can see that both the 300 and 500 series dishwashers share many features. At first glance, both dishwashers have 3 racks, a 44 dB sound rating, energy star rating, and the same number of place settings.

Going with the 500 Series Bosch dishwasher you gain a few extra options and features. Let’s examine them closely.

Last year Bosch revamped their dishwasher lineup. The new release of Bosch dishwashers had a heavy focus on drying technology. Bosch dishwashers use condensation to dry the dishes. Condensation drying is when the hot water on the dishes is drawn to the relatively cooler stainless sides of the dishwasher. It’s a similar process to water condensing on a mirror after a hot shower.

What is AutoAir™ drying technology? At the end of a dishwasher cycle, the door to the 500 series dishwasher will pop open releasing hot air and moisture from the dishwasher. It was designed to be a more effective drying method than regular condensation drying.

In addition, this 500 series dishwasher has an Extra Dry option, which the 300 series model does not have. This option uses a combination of high water temperature and AutoAir™ drying to get your dishes drier.
At first glance most consumers judge a dishwasher’s performance by the perceived quality of the appliance. The nicer the racks glide and adjust, the better the dishwasher appears. Bosch 500 series dishwashers have better racks. The top rack will glide making it easier to move in and out.
The top rack is more adjustable to fit taller cooking tools like whisks and spatulas. The silverware basket is also adjustable. It can run alongside the right-hand side at the bottom, or adjust in a back-to-back design for easier transport. The flexible basket is great because you can accommodate more dish, pot, and pan configurations.
Bosch makes great dishwashers and at the end of the day either option will clean your dishes and will be very quiet. It really comes down to whether drying performance, better racks, and LED time display are important to you. Personally, I love my 300 series dishwasher, but now that the new AutoAir™ technology is a 500 series feature, I might have gone with the 500 series.