SIHOO M57 vs Autonomous ErgoChair Ultra 2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$129.01
lower starting price for SIHOO M57 than Autonomous ErgoChair Ultra 2 at the brand stores
Differences at a glance
Sources
- Sihoo M57 Netz Bürostuhl – DE Sihoo Offizieller Shop ↗Checked Oct 9, 2026
- Flex-Frame Ergonomic Office Chair | Autonomous ErgoChair Ultra 2 ↗Checked Oct 17, 2026
- SIHOO M57 Ergonomic Mesh Office Chair – Official US Sihoo Store ↗Checked Oct 9, 2026
SIHOO M57Autonomous ErgoChair Ultra 2
- Price
- $319.99$449
- Seat height
- 46–55 cm (≈ 18.1-21.7 in)18–23 in
- Seat depth
- 18.11 in (≈ 46 cm)18–20.5 in
- Load capacity
- 330 lb (≈ 150 kg)320 lb
- Recline
- Reclines up to 126°25°
- Headrest
- Headrest adjusts vertically up to 3.9 inches and rotates 45 degreesoptional
- Warranty
- 3 yearslifetime
Questions
Which is cheaper, the SIHOO M57 or the Autonomous ErgoChair Ultra 2?
The SIHOO M57 is cheaper to start: $319.99 versus $449 for the Autonomous ErgoChair Ultra 2 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO M57, rated for 330 lb versus 320 lb for the Autonomous ErgoChair Ultra 2.
Which has a headrest?
Both: the SIHOO M57 as standard and the Autonomous ErgoChair Ultra 2 as an option.
SIHOO M57: specs, reviews, where to buy →Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →
Swap in a similar chair
Compare SIHOO M57 with
Compare Autonomous ErgoChair Ultra 2 with
More comparisons
- SIHOO M57 vs Branch Ergonomic Chair Arms: 3D coordinated armrests on SIHOO M57; 3D removable armrests on Branch Ergonomic Chair.
- SIHOO M57 vs HBADA E3 Air (2026 Edition) Arms: 3D coordinated armrests on SIHOO M57; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).
- SIHOO M57 vs SIHOO M18 Arms: 3D coordinated armrests on SIHOO M57; Adjustable armrests on SIHOO M18.
- SIHOO M57 vs SIHOO M59AS Arms: 3D coordinated armrests on SIHOO M57; 3D coordinated flip-up armrests on SIHOO M59AS.