SIHOO Doro C300 Ultra V2 vs Autonomous ErgoChair Pro

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

Autonomous

Autonomous ErgoChair Pro

$499

$180.99

lower starting price for Autonomous ErgoChair Pro than SIHOO Doro C300 Ultra V2 at the brand stores

Differences at a glance

SIHOO Doro C300 Ultra V2Autonomous ErgoChair Pro

Price: $679.99 – $689.99$499
Seat height: 47.5–55.5 cm (≈ 18.7-21.9 in)18.5–22 in (47–55.9 cm)
Seat depth: 16.9–18.5 in (≈ 43-47 cm)19–21.5 in (48.3–54.6 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136.1 kg)
Recline: Recline Angles 105°, 120°, 135°Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
Arms: 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)3D armrests; armrest height 11–14 in from seat
Headrest: Ultra-wide 3D headrest, adjusts in three directionsAdjustable headrest (standard)
Lumbar support: Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsSliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 3 years (covers manufacturing defects)Lifetime warranty

Which is cheaper, the SIHOO Doro C300 Ultra V2 or the Autonomous ErgoChair Pro?

The Autonomous ErgoChair Pro is cheaper to start: $499 versus $679.99 for the SIHOO Doro C300 Ultra V2 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro C300 Ultra V2, rated for 330 lb versus 300 lb for the Autonomous ErgoChair Pro.

Which has a headrest?

Both: the SIHOO Doro C300 Ultra V2 as standard and the Autonomous ErgoChair Pro as standard.