KI Altus vs SIHOO M59AS

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

KI Altus

$881 – $1,516

SIHOO

SIHOO M59AS

$449.99

$431.01

lower starting price for SIHOO M59AS than KI Altus at the brand stores

Differences at a glance

KI AltusSIHOO M59AS

Price: $881 – $1,516$449.99
Seat height: 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)46.5–56.5 cm
Seat depth: 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)17.13 in (≈ 43.5 cm)
Load capacity: supports up to 400 pounds330 lb (≈ 150 kg)
Arms: Adjustable arms, fixed arms, or armless3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)
Headrest: Headrest available (Mesh Task / Fabric Task Headrest Adjustable Armchair)Double-jointed headrest (height and angle)
Lumbar support: Mesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar supportDynamic lumbar support in a dual-section backrest
Warranty: Lifetime3 years

Which is cheaper, the KI Altus or the SIHOO M59AS?

The SIHOO M59AS is cheaper to start: $449.99 versus $881 for the KI Altus at the brand stores (Sep 2026).

Which has a headrest?

Both: the KI Altus as standard and the SIHOO M59AS as standard.