Autonomous ErgoChair Pro vs SIHOO M59AS

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

Autonomous

Autonomous ErgoChair Pro

$499

SIHOO

SIHOO M59AS

$449.99

11.8 lb

lighter: SIHOO M59AS weighs less than Autonomous ErgoChair Pro (official specs)

Differences at a glance

Autonomous ErgoChair ProSIHOO M59AS

Price: $499$449.99
Seat height: 18.5–22 in (47–55.9 cm)46.5–56.5 cm
Seat depth: 19–21.5 in (48.3–54.6 cm)17.13 in (≈ 43.5 cm)
Load capacity: 300 lb (136.1 kg)330 lb (≈ 150 kg)
Recline: Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)Recline up to 126°
Arms: 3D armrests; armrest height 11–14 in from seat3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)
Headrest: Adjustable headrest (standard)Double-jointed headrest (height and angle)
Lumbar support: Sliding (height-adjustable) lumbar; 6 in lumbar height rangeDynamic lumbar support in a dual-section backrest
Warranty: Lifetime warranty3 years

Which is cheaper, the Autonomous ErgoChair Pro or the SIHOO M59AS?

The SIHOO M59AS is cheaper to start: $449.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Sep 2026).

Which has a higher weight capacity?

The SIHOO M59AS, rated for 330 lb versus 300 lb for the Autonomous ErgoChair Pro.

Which has a headrest?

Both: the Autonomous ErgoChair Pro as standard and the SIHOO M59AS as standard.