EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Washing machine · 9 kg · freestanding

Bauknecht B WM 9A40 EX

A

Uses less electricity than 96% of the 3,941 washing machines, 9 kg on the EU register. At your selected price (European Union) that is €18 a year, €181 over ten years.

Per 100 cycles
29 kWh
Typical 49 kWh
Running cost
€18 / year
−€12 vs typical
Water per wash
49 L
Typical 49 L

Only 93 of 3,941 washing machines, 9 kg do better. Class A is the best class any model in this group reaches. At 72 dB it is 3 dB quieter than typical for its size. Bauknecht has 47 models in this group; this one is number 3 among them.

Where it stands

Rank 94 of 3,941 washing machines, 9 kg by yearly consumption. 93 use less.

Median 108 This model · 64 20 260 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Midea MF21EW90WBA40 64 kWh same
  2. A Philco PLDI 149 A40 KING 3 64 kWh same
  3. A Bauknecht B WM 9A40 EX 64 kWh
  4. A Valberg 10011585 WF 914 A-40 F B566C 64 kWh same
  5. A Wisberg WBWM1A4W9NB 64 kWh same
See the full ranking

What it will cost you

Period B WM 9A40 EX DE168 Difference
1 year €18 €6 −€12
5 years €90 €31 −€59
10 years €181 €62 −€118
15 years €271 €93 −€178

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Cost by how often you wash

Use kWh / yr Water / yr € / yr
1–2 people · 110 washes 32 5.4 m³ €9
Our default · 220 washes 64 10.8 m³ €18
Family · 330 washes 96 16.2 m³ €27

Spin noise · class A

50 dB · quiet office70 dB · vacuum cleaner 72 dB
Dashed: group median 75 dB

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model kWh / 100Water kWh / yr Saves / year in 10 years
A Bauknecht B WM 9A40 EX (this model)
2949 L 64 — —
1011 L 22 €12 €118
1011 L 22 €12 €118
1949 L 42 €6 €62
1949 L 42 €6 €62
1949 L 42 €6 €62

Label and product sheet

Energy class
A
Energy per 100 cycles
29 kWh
Energy per cycle
0.294 kWh
Rated capacity
9.0 kg
Water per cycle
49 L
Eco 40–60 duration
3:48 h
Spin speed
1,351 rpm
Spin class / remaining moisture
B · 53.9 %
Spin noise
72 dB(A), class A
Height × width × depth
850 × 600 × 580 mm
Guarantee (supplier)
2 years
Spare parts (minimum)
10 years

Model numbers and history

Registered by Bauknecht under one model number.

B WM 9A40 EX

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Bauknecht B WM 9A40 EX cost to run?

At 220 washes a year it uses about 64 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €18 a year, or €181 over ten years.

How much water does it use?

49 litres per eco 40–60 wash, about 10.8 m³ a year at 220 washes.