SIHOO Doro S100 vs KI Altus

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

SIHOO

SIHOO Doro S100

$499.99 – $509.99

KI Altus

$881 – $1,516

$381.01

lower starting price for SIHOO Doro S100 than KI Altus at the brand stores

Differences at a glance

SIHOO Doro S100KI Altus

Price: $499.99 – $509.99$881 – $1,516
Seat height: 46–54 cm17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)
Load capacity: 330 lb (≈ 150 kg)supports up to 400 pounds
Arms: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°Adjustable arms, fixed arms, or armless
Headrest: Integrated headrest adjusts up or down; upper backrest in five levelsHeadrest available (Mesh Task / Fabric Task Headrest Adjustable Armchair)
Lumbar support: Dual dynamic lumbar supportMesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar support
Warranty: 3 yearsLifetime

Which is cheaper, the SIHOO Doro S100 or the KI Altus?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $881 for the KI Altus at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the KI Altus as standard.