SIHOO Doro S100 vs SIHOO M57

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

SIHOO

SIHOO M57

$319.99

$180

lower starting price for SIHOO M57 than SIHOO Doro S100 at the brand stores

Differences at a glance

SIHOO Doro S100SIHOO M57

Price: $499.99 – $509.99$319.99
Seat height: 46–54 cm46–55 cm (≈ 18.1-21.7 in)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)18.11 in (≈ 46 cm)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Reclines up to 135°Reclines up to 126°
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°3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: Integrated headrest adjusts up or down; upper backrest in five levelsHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: Dual dynamic lumbar supportDual-adjustable lumbar support (vertical and horizontal)
Warranty: 3 years3 years

Which is cheaper, the SIHOO Doro S100 or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $499.99 for the SIHOO Doro S100 at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 330 lb in their official specifications.

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the SIHOO M57 as standard.