SIHOO Doro S100 vs KI Torsion Air

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 Torsion Air

$904 – $944

$404.01

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

Differences at a glance

SIHOO Doro S100KI Torsion Air

Price: $499.99 – $509.99$904 – $944
Seat height: 46–54 cm18–23 in (45.7–58.4 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)18.5 in (47.0 cm)
Recline: Reclines up to 135°Torsion flex back; gradually increasing resistance over the full 12 degrees of back flex
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°Arms or armless
Warranty: 3 yearsLifetime

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

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