SIHOO Doro S100 vs KI Signia

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 Signia

$930 – $1,076

$430.01

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

Differences at a glance

SIHOO Doro S100KI Signia

Price: $499.99 – $509.99$930 – $1,076
Seat height: 46–54 cm17.5–22 in (44.5–55.9 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)17–20 in (43.2–50.8 cm)
Recline: Reclines up to 135°Five-position back travel limiter provides up to 27 degrees of recline
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°Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms
Lumbar support: Dual dynamic lumbar supportOptional lumbar support with 2.5" of vertical adjustment
Warranty: 3 yearsLifetime

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

The SIHOO Doro S100 is cheaper to start: $499.99 versus $930 for the KI Signia at the brand stores (Oct 2026).