KI Torsion Air vs SIHOO Doro S100

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

KI Torsion Air

$904 – $944

SIHOO

SIHOO Doro S100

$499.99 – $509.99

$404.01

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

Differences at a glance

KI Torsion AirSIHOO Doro S100

Price: $904 – $944$499.99 – $509.99
Seat height: 18–23 in (45.7–58.4 cm)46–54 cm
Seat depth: 18.5 in (47.0 cm)15.15–17.12 in (≈ 38.5-43.5 cm)
Recline: Torsion flex back; gradually increasing resistance over the full 12 degrees of back flexReclines up to 135°
Arms: Arms or armless4D 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°
Warranty: Lifetime3 years

Which is cheaper, the KI Torsion Air or the SIHOO Doro S100?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $904 for the KI Torsion Air at the brand stores (Sep 2026).