Autonomous ErgoChair Ultra 2 vs SIHOO M59AS

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

Autonomous ErgoChair Ultra 2

Autonomous

Autonomous ErgoChair Ultra 2

$449

VS
SIHOO M59AS

SIHOO

SIHOO M59AS

$449.99

1.1 in

more seat-height adjustment on Autonomous ErgoChair Ultra 2 than SIHOO M59AS (official specs)

Differences at a glance

Autonomous ErgoChair Ultra 2SIHOO M59AS
Price
$449$449.99
Seat height
18–23 in46.5–56.5 cm
Seat depth
18–20.5 in17.13 in (≈ 43.5 cm)
Load capacity
320 lb330 lb (≈ 150 kg)
Recline
25°Recline up to 126°
Headrest
optionalDouble-jointed headrest (height and angle)
Warranty
lifetime3 years

Questions

Which is cheaper, the Autonomous ErgoChair Ultra 2 or the SIHOO M59AS?

The Autonomous ErgoChair Ultra 2 is cheaper to start: $449 versus $449.99 for the SIHOO M59AS at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M59AS, 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 M59AS as standard.

Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →SIHOO M59AS: specs, reviews, where to buy →

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