2Rank 02 of 8 · Best Dishwashers 60 cm

Bosch Bosch Serie 6 SMD6ECX12E

Class A at 54 kWh without any zeolite — just an auto-opening door. Joint test winner at KONSUMENT/VKI 2026, and €125 cheaper than the Bosch Serie 8 with the same label figures.

Bosch Bosch Serie 6 SMD6ECX12E — product photo 9.1BPR score
excellent
  1. €679Price
  2. 54 kWh/100 cycles — class AEnergy use, kWh per 100 eco cycles
  3. 2 of 8in Best Dishwashers 60 cm
  4. 9.1BPR score 0–10

Review

What this product is

Written after the analysis, from the same sources the score is built on: the manufacturer's documentation, available studies and verified owner feedback.

This machine is the strongest evidence in the ranking that expensive drying technology is not what earns a good energy class. It reaches class A on 54 kWh per 100 cycles with nothing more exotic than a door that opens itself at the end of the cycle — the same class and the same figure as the Bosch Serie 8 that costs €125 more and adds zeolite on top.

KONSUMENT/VKI, the Austrian consumer organisation, made it joint test winner in the 60 cm fully integrated category on 30 April 2026, from a field of 19 machines, sharing the win with the Siemens iQ300 SN63EX22CE. Individual scores are behind a paywall, so we quote the placing rather than a number.

Equipment is complete for the money: the VarioSchublade cutlery drawer, VarioFlex basket system with foldable tine rows, eight programmes, automatic detergent dosing, AquaSensor turbidity sensing, Home Connect, and AquaStop backed by Bosch's water-damage guarantee for the life of the appliance — a contractual commitment rather than a marketing line. At 42 dB it is quiet, though still noise class B like almost everything else.

The honest trade-off against the Serie 4 below is €231 for two energy classes, three extra programmes, 2 dB less noise and automatic detergent dosing. On our running-cost arithmetic the class A machine saves roughly €9 per year, so the energy difference alone takes about 26 years to repay. Buy this for the equipment and the test result, not as an energy investment.

A note on the eco cycle: 4 hours 30 minutes, 35 minutes longer than the Serie 4. That is the price of the better class.

One caution about published grades. Two aggregator sites show a "gut 2.2" for this machine attributed to Stiftung Warentest, but test.de results are paywalled and we could not confirm the attribution. We have not used it in the scoring.

Technical data

Specification

Figures from the manufacturer's documentation, verified against available outside sources. Values we could not confirm are marked as declared.

Type
Fully integrated, 815 x 598 x 550 mm
EU energy class
A
Energy
54 kWh per 100 eco cycles
Water
9.0 litres per cycle
Noise
42 dB(A) eco, 41 dB Silence - noise class B
Place settings
14
Eco programme duration
4 h 30 min
EPREL registration
1940711
Programmes
8 - Eco 50, Auto 45-65, Intensiv 70, Express 60, Express 45, Glas 40, Silence 50, Favorit
Third rack
Yes - VarioSchublade cutlery drawer
Drying
Efficient Dry automatic door opening with heat exchanger, no zeolite
Leak protection
AquaStop with lifetime water-damage guarantee
Connectivity
Home Connect
KONSUMENT/VKI 2026
Joint test winner, 60 cm fully integrated
Estimated running cost
approx. EUR 54/year
European price
EUR 679-730

Component scores

Where the score
comes from.

Four components, equal weight, each on a 0–10 scale and each resting on a named source. The overall score is their mean — the full procedure is in the methodology.

  1. Composition and specification9.0

    Declared composition and specification: active ingredients and their concentrations, energy classes, standards, technical parameters — and what the manufacturer leaves unsaid.

  2. Evidence and studies9.2

    Verification of the manufacturer's claims against outside sources: laboratory reports, industry testing, safety data sheets, certificates and regulatory decisions.

  3. Owner feedback9.0

    Analysis of verified reviews written after extended use, together with recurring fault reports for the model or series.

  4. Cost and value9.0

    Price set against what the product actually delivers, plus costs incurred later — consumables, energy, servicing, subscriptions — over the lifespan typical for the category.

Overall score = mean of four component scoresSignificance threshold: ±0.15 pt

What we liked

  • Class A on 54 kWh with no zeolite — the same figures as machines €125 dearer
  • Joint test winner, KONSUMENT/VKI April 2026, 60 cm fully integrated category
  • AquaStop with Bosch's lifetime water-damage guarantee
  • VarioSchublade cutlery drawer and VarioFlex foldable tines
  • 8 programmes, automatic detergent dosing, Home Connect
  • 42 dB(A) — 2 dB quieter than the Serie 4

Worth knowing

  • 4 h 30 min eco cycle
  • Noise class B, not A, despite the 42 dB figure
  • €231 more than the Serie 4 for a saving of roughly €9/year in running costs
  • Fold-out hinge for tall carcasses is an optional extra, not in the box
  • A widely quoted Stiftung Warentest grade could not be verified
9.1 Excellent Rank 02 of 8 · Best Dishwashers 60 cm

Comparison

How it compares
within the category

All values come from the same analysis and are comparable only within the category Best Dishwashers 60 cm.

Comparison with the category leaders
ProductScoreEnergy use, kWh per 100 eco cyclesPrice
AEG 9000 GI9210X2TFTop score 9.149 kWh/100 cycles — class A €849
Bosch Serie 6 SMD6ECX12EThis product 9.154 kWh/100 cycles — class A €679
Category average8 products analysed 8.3——

FAQ

Frequently asked questions

Is it worth €231 more than the Bosch Serie 4?

Not on energy alone — the class A rating saves roughly €9 a year on our arithmetic, which takes decades to repay. It is worth it for the equipment: eight programmes instead of six, automatic detergent dosing, 2 dB less noise, and a test win from an independent consumer organisation. If budget is the constraint, the Serie 4 loses very little that affects results.

Why does this beat the Serie 8 on value?

Same energy class, same 54 kWh, same 42 dB, and the Serie 8 uses more water (9.5 vs 9.0 litres) with a longer eco cycle. What the extra €125 buys is zeolite drying on top of the auto-opening door, TimeLight floor projection, a touch panel and a Pro version of the cutlery drawer. Those are convenience and finish features, not performance ones.

Principles

The manufacturer makes claims.
We check what the evidence says.

Every ranking follows the same protocol: an analysis of composition and specification, verification of claims against available studies, a review of verified owner feedback, and an assessment of price against what the product delivers.

No sponsored content · no paid placements