KI Altus vs SIHOO Doro C300

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 Doro C300

$559.99 – $569.99

$321.01

lower starting price for SIHOO Doro C300 than KI Altus at the brand stores

Differences at a glance

KI AltusSIHOO Doro C300

Price: $881 – $1,516$559.99 – $569.99
Seat height: 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)47–55 cm
Seat depth: 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)43.5–46 cm
Load capacity: supports up to 400 pounds330 lb (≈ 150 kg)
Arms: Adjustable arms, fixed arms, or armless4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)
Headrest: Headrest available (Mesh Task / Fabric Task Headrest Adjustable Armchair)3D Mechanical Headrest
Lumbar support: Mesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar supportSelf-adaptive dynamic lumbar support
Warranty: Lifetime3 years

Which is cheaper, the KI Altus or the SIHOO Doro C300?

The SIHOO Doro C300 is cheaper to start: $559.99 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 Doro C300 as standard.

What do owners mention most?

Back support for the KI Altus, and adjustability for the SIHOO Doro C300, based on review summaries.