SIHOO M18 vs FlexiSpot C7
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
7 years
longer warranty on FlexiSpot C7 than SIHOO M18 (official terms)
Differences at a glance
Sources
- M18 Classic Ergonomischer Bürostuhl – SIHOO DE official store ↗Checked Oct 16, 2026
- Premium Ergonomic Office Chair (C7) - FlexiSpot official store (C7 vs C7 Max spec table, C7 column) ↗Checked Sep 29, 2026
- Sihoo M18 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
SIHOO M18FlexiSpot C7
- Price
- $289.99 – $299.99$429.99
- Seat height
- 44–54 cm16.5–20.1 in (42-51 cm)
- Seat depth
- 17.91 in (≈ 45.5 cm)17.3–20.5 in (44-52 cm)
- Load capacity
- 330 lb (≈ 150 kg)Mesh Version: 350 lbs; Foam Version: 300 lbs
- Recline
- Maximum 126° recline angle90–130°
- Arms
- Adjustable armrests (Up and down)3D
- Headrest
- Headrest moves 3.9" up and down and pivots 45°4D
- Lumbar support
- Lumbar support adjusts vertically and horizontallyAdjustable Self-adaptive Dynamic & Forward and Backward Adjustable
- Warranty
- 3 years10 years
What users mention
From 5 SIHOO M18 and 2 FlexiSpot C7 user reviews, most mentioned first. Green is liked, orange is a caution.
Price and value
SIHOO M1813 mentionsFlexiSpot C78 mentionsAdjustability
SIHOO M1810 mentionsFlexiSpot C79 mentionsComfort
SIHOO M187 mentionsFlexiSpot C76 mentionsBack support
SIHOO M187 mentionsFlexiSpot C75 mentionsBreathability
SIHOO M187 mentionsFlexiSpot C74 mentionsBuild quality
SIHOO M187 mentionsFlexiSpot C74 mentions
Questions
Which is cheaper, the SIHOO M18 or the FlexiSpot C7?
The SIHOO M18 is cheaper to start: $289.99 versus $429.99 for the FlexiSpot C7 at the brand stores (Oct 2026).
Which has a headrest?
Both: the SIHOO M18 as standard and the FlexiSpot C7 as standard.
What do owners mention most?
Price and value for the SIHOO M18, and adjustability for the FlexiSpot C7, based on review summaries.
Swap in a similar chair
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More comparisons
- SIHOO M18 vs Herman Miller Aeron Arms: Adjustable armrests on SIHOO M18; Arm height 7.5–11.5 in on Herman Miller Aeron.
- SIHOO M18 vs Ticova Ergonomic Office Chair Ticova and SIHOO M18 both offer mesh backs and cushioned seats.
- SIHOO M18 vs Branch Ergonomic Chair Arms: Adjustable armrests on SIHOO M18; 3D removable armrests on Branch Ergonomic Chair.
- SIHOO M18 vs FlexiSpot OC3 Arms: Adjustable armrests on SIHOO M18; 2D on FlexiSpot OC3.


