KI Signia vs SIHOO Doro S100

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

KI Signia

$930 – $1,076

SIHOO

SIHOO Doro S100

$499.99 – $509.99

$430.01

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

Differences at a glance

KI SigniaSIHOO Doro S100

Price: $930 – $1,076$499.99 – $509.99
Seat height: 17.5–22 in (44.5–55.9 cm)46–54 cm
Seat depth: 17–20 in (43.2–50.8 cm)15.15–17.12 in (≈ 38.5-43.5 cm)
Recline: Five-position back travel limiter provides up to 27 degrees of reclineReclines up to 135°
Arms: Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms4D 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°
Lumbar support: Optional lumbar support with 2.5" of vertical adjustmentDual dynamic lumbar support
Warranty: Lifetime3 years

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

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