Slimline Dishwashers Cost More Per Place Setting

Two Bosch dishwashers in the CompareHomeAppliances database cost exactly the same amount: 1,139.00 EUR. The Serie 6 SPI6ZMS29E is a 44.8cm slimline model that holds 10 place settings and carries energy class C. The Serie 8 SMS8TCI04E is a 60.0cm full-size model that holds 14 place settings and carries energy class A. Pay the identical price and you either get 40 percent more capacity with a better energy class, or you get a narrower footprint. Nothing else in the transaction changes.

Key takeaways:

• The Bosch Serie 6 SPI6ZMS29E (slimline, 44.8cm, 10 place settings, energy class C) and the Bosch Serie 8 SMS8TCI04E (full-size, 60.0cm, 14 place settings, energy class A) both list at exactly 1,139.00 EUR.
• Across 21 priced dishwashers in the CompareHomeAppliances database, slimline models average 82.19 EUR per place setting versus 73.30 EUR for full-size models, a 12.1 percent premium.
• The worst per-setting value in the dataset is the slimline Serie 6 SPI6ZMS29E at 113.90 EUR per setting, more than every full-size model except one 1,589.00 EUR flagship.
• The best per-setting value in the dataset is the AEG 6000 SatelliteClean FSK64907Z at 32.14 EUR per setting for 14 place settings.
• Slimline is a fit decision for a narrow kitchen gap, not a way to save money.

Two Bosch Dishwashers, One Price, Different Capacity

Same brand, same era, same shelf price, and the two machines are built for different jobs. The Serie 6 SPI6ZMS29E is semi-integrated and 44.8cm wide, a size made for kitchens that cannot fit a standard 60cm unit. The Serie 8 SMS8TCI04E is freestanding and 60.0cm wide, the size most kitchens are actually plumbed and cabineted for.

At 1,139.00 EUR, a shopper who does not need the narrow width and buys the slimline model anyway is not paying for anything the wider machine lacks. They are paying the same money for four fewer place settings and a lower energy class. Ten place settings covers a small household comfortably; fourteen covers a family, a dinner party, or a week of not running the machine daily. For someone with the cabinet space, the Serie 8 is the same spend for meaningfully more machine.

What Does “Slimline” Actually Cost You?

That twin-price pair is not a fluke. Pulling every dishwasher in the database that publishes both a price and a place-setting count (21 of the 26 dishwashers listed) and dividing price by place settings gives a euro-per-setting figure that strips capacity out of the comparison. Twelve representative rows, ordered from best to worst value:

Model	Install type	Width	Place settings	Price	EUR per setting	Energy class
AEG 6000 SatelliteClean FSK64907Z	Fully-integrated	59.6 cm	14	449.99 EUR	32.14 EUR	C
Bosch Serie 4 SMS4EVI08E	Freestanding	60.0 cm	14	649.00 EUR	46.36 EUR	B
Bosch Serie 2 SPS2HKI42E	Freestanding (slimline)	45.0 cm	10	579.00 EUR	57.90 EUR	E
Bosch Serie 6 SMS6ZCI16E	Freestanding	60.0 cm	14	829.00 EUR	59.21 EUR	B
Bosch Serie 4 SPS4HMI49E	Freestanding (slimline)	45.0 cm	10	619.00 EUR	61.90 EUR	E
Bosch Serie 6 SMI6ZCS16E	Semi-integrated	59.8 cm	14	899.00 EUR	64.21 EUR	B
Bosch Serie 2 SPI2HKS42E	Semi-integrated (slimline)	44.8 cm	10	729.00 EUR	72.90 EUR	E
Bosch Serie 4 SMI4EAS28E	Semi-integrated	59.8 cm	13	939.00 EUR	72.23 EUR	A
Bosch Serie 8 SMS8TCI04E	Freestanding	60.0 cm	14	1,139.00 EUR	81.36 EUR	A
Bosch Serie 6 SPI6ZMS29E	Semi-integrated (slimline)	44.8 cm	10	1,139.00 EUR	113.90 EUR	C
Bosch Serie 8 SMD8TCX04E	Fully-integrated	59.8 cm	14	1,589.00 EUR	113.50 EUR	A
Bosch Serie 6 SPV6EMX09E	Fully-integrated (slimline)	44.8 cm	10	979.00 EUR	97.90 EUR	B

The pattern holds beyond this shortlist. Across all 10 full-size (14-setting) models in the database, the average is 73.30 EUR per setting. Across the 7 slimline (10-setting, roughly 44.8-45cm) models, it is 82.19 EUR, a 12.1 percent premium for the narrower body. The cheapest route into real capacity is the AEG 6000 SatelliteClean FSK64907Z at 449.99 EUR for 14 settings, 32.14 EUR per setting and the best value in the whole dataset. The worst is the slimline Serie 6 SPI6ZMS29E at 113.90 EUR per setting, beaten only by one 1,589.00 EUR flagship, the fully-integrated Serie 8 SMD8TCX04E, which at least brings a full 14 settings and energy class A for its premium. The slimline machine brings neither.

When Does Slimline Actually Make Sense?

The chart makes the trade-off look one-sided, but it is not a case against slimline machines, it is a case against buying one by accident. A 44.8-45cm dishwasher exists because some kitchens genuinely do not have a 60cm gap to give it: a narrow galley layout, a housing built around an older appliance, a rental with fixed cabinetry. In that situation the comparison in this article does not apply, because the alternative is not a cheaper full-size machine, it is no dishwasher at all.

What the data rules out is buying slimline for any other reason. It is not the budget option, it is not the compact-household option in the sense of saving money for fewer plates, and in this dataset it is not the efficient option either: five of the seven slimline models sit at energy class E, while most full-size models cluster at B or A. That gap matters more than the sticker price once the machine is running for years. The two twin-priced Bosch machines from the top of this piece differ by two full energy-class letters, C versus A, and a shopper deciding between them can turn that letter gap into an actual annual euro figure with the running cost tool rather than guessing from the label alone.

So the honest rule is: measure the gap first. If a 60cm-wide, roughly 55-60cm-deep space is available, a full-size model is very likely to cost the same or less per place setting and land on a better energy class. If it genuinely is not available, slimline is the right call, and the premium documented here is the price of the constraint, not a bad decision.

How to Read Place Settings on Any Spec Sheet

Place settings is the standardized capacity figure printed on the EU energy label and recorded in the EU’s EPREL product registry alongside every dishwasher’s official rating, which is how this comparison is possible across brands in the first place: one place setting represents the plates, bowls, glasses and cutlery for one person, and the total tells you how many people’s worth of dishes the machine is rated to wash in one cycle. It is the dishwasher equivalent of a washing machine’s kilogram rating: a single number that lets you compare a Bosch, an AEG and a Siemens without opening a single basket by hand.

You can check the number for yourself rather than trust a spec sheet in isolation. The Serie 6 SPI6ZMS29E’s own EPREL registry entry lists its 10-setting, energy class C rating, and the Serie 8 SMS8TCI04E’s EPREL entry lists 14 settings at class A, the same figures the manufacturer publishes on its own SPI6ZMS29E and SMS8TCI04E product pages. The wider EU framework behind the label and the registry is documented on the European Commission’s energy-efficient products page.

Once you know the setting count, the only remaining question is what a euro buys per setting, and now you have a real number to compare it against: 73.30 EUR for a typical full-size model, 82.19 EUR for a typical slimline one. Line up the specific models you are choosing between in the compare tool and put the exact price, place settings and energy class side by side before you buy, rather than assuming a narrower box means a smaller bill. Browse the full dishwashers category to see where any given model lands against the rest of the field.