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Head to head

Sihoo B100 vs Sihoo M18: which one is right for you

Head-to-head comparison of Sihoo B100 and Sihoo M18 with official manufacturer specs: what really sets them apart, where each one wins and which fits your body and your working hours better.

Sihoo B100
Sihoo lumbar activa 46.5–55.5 cm
57 Editor's score
VS
Sihoo M18
Sihoo lumbar regulable 45–55 cm
41 Editor's score
The verdict
Sihoo M18 wins on 3 of 6 objective criteria.
Sihoo B100Sihoo M18
Seat height46.5-55.5 cm45-55 cm
Lumbar supportActiveAdjustable
Adjustable depthNoNo
Armrestsfijos2D
Maximum weight136 kg150 kg
Warranty3 years3 years
The evidence, category by category
Sihoo B100Sihoo M18
Adjustability
40
46
Lumbar support
100
70
Sturdiness
48
34
Warranty & cert.
40
20
Value for money
57
37

Scores 0-100 derived from the manufacturer's specs with the same method for both — published method.

When should you choose Sihoo B100?

Anyone who wants adaptive lumbar with no knobs or levers, at a contained price.

When should you choose Sihoo M18?

A first step up from a basic chair without moving into the mid range.

Frequently asked questions

Is it worth paying the difference?

It depends on whether the advantages the pricier one brings are on your list of needs. Our table marks with ✓ which one wins each objective criterion; if the criteria it wins don't affect you, don't pay for them.

How do I know which one fits my body?

No generic comparison answers it: it depends on your height, weight, hours a day and hand size. Each category's filter crosses your measurements with the specs and gives you a fit % for each one.

And which one fits YOU? Put your measurements in the category filter and you will see them sorted by your real fit %.

Where to go next