SIHOO Doro C300 vs Autonomous ErgoChair Ultra 2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
1.9 in
more seat-height adjustment on Autonomous ErgoChair Ultra 2 than SIHOO Doro C300 (official specs)
Differences at a glance
Sources
- Doro C300 Ergonomic Office Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
- Flex-Frame Ergonomic Office Chair | Autonomous ErgoChair Ultra 2 ↗Checked Oct 17, 2026
- Sihoo Doro C300 Advanced Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
SIHOO Doro C300Autonomous ErgoChair Ultra 2
- Price
- $559.99 – $569.99$449
- Seat height
- 47–55 cm18–23 in
- Seat depth
- 43.5–46 cm18–20.5 in
- Load capacity
- 330 lb (≈ 150 kg)320 lb
- Recline
- Recline Angles: 110°, 120°, 130°25°
- Headrest
- 3D Mechanical Headrestoptional
- Warranty
- 3 yearslifetime
Questions
Which is cheaper, the SIHOO Doro C300 or the Autonomous ErgoChair Ultra 2?
The Autonomous ErgoChair Ultra 2 is cheaper to start: $449 versus $559.99 for the SIHOO Doro C300 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO Doro C300, rated for 330 lb versus 320 lb for the Autonomous ErgoChair Ultra 2.
Which has a headrest?
Both: the SIHOO Doro C300 as standard and the Autonomous ErgoChair Ultra 2 as an option.
SIHOO Doro C300: specs, reviews, where to buy →Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →
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More comparisons
- SIHOO Doro C300 vs Steelcase Leap V2 Headrest: 3D Mechanical Headrest on SIHOO Doro C300; Optional on Steelcase Leap V2.
- SIHOO Doro C300 vs Herman Miller Aeron Headrest: 3D Mechanical Headrest on SIHOO Doro C300; None offered by Herman Miller on Herman Miller Aeron.
- SIHOO Doro C300 vs Steelcase Series 1 Headrest: 3D Mechanical Headrest on SIHOO Doro C300; Optional headrest on Steelcase Series 1.
- SIHOO Doro C300 vs HBADA E3 Air (2026 Edition) Arms: 4D coordinated armrests on SIHOO Doro C300; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).