Autonomous ErgoChair Ultra 2 vs SIHOO B100
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$249.01
lower starting price for SIHOO B100 than Autonomous ErgoChair Ultra 2 at the brand stores
Differences at a glance
Sources
- Flex-Frame Ergonomic Office Chair | Autonomous ErgoChair Ultra 2 ↗Checked Oct 17, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store ↗Checked Oct 8, 2026
Autonomous ErgoChair Ultra 2SIHOO B100
- Price
- $449$199.99 – $259.99
- Seat height
- 18–23 inSeat height adjustable from 18.3" to 21.9"
- Load capacity
- 320 lb330 lb (≈ 150 kg)
- Recline
- 25°Three lockable angles: 110°, 125° and 135°
- Headrest
- optionalWide 2D adjustable headrest
- Warranty
- lifetime3 years
Questions
Which is cheaper, the Autonomous ErgoChair Ultra 2 or the SIHOO B100?
The SIHOO B100 is cheaper to start: $199.99 versus $449 for the Autonomous ErgoChair Ultra 2 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO B100, rated for 330 lb versus 320 lb for the Autonomous ErgoChair Ultra 2.
Which has a headrest?
Both: the Autonomous ErgoChair Ultra 2 as an option and the SIHOO B100 as standard.
Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →SIHOO B100: specs, reviews, where to buy →
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- SIHOO B100 vs SIHOO M18 Arms: Flip-up 2D armrests on SIHOO B100; Adjustable armrests on SIHOO M18.
- SIHOO B100 vs SIHOO B100 Pro Headrest: Wide 2D adjustable headrest on SIHOO B100; Wide 3D adjustable headrest on SIHOO B100 Pro.
- SIHOO B100 vs SIHOO M59AS Headrest: Wide 2D adjustable headrest on SIHOO B100; Double-jointed headrest on SIHOO M59AS.