SIHOO Doro S300 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 S300

$999.99

SIHOO

SIHOO M57

$319.99

$680

lower starting price for SIHOO M57 than SIHOO Doro S300 at the brand stores

Differences at a glance

SIHOO Doro S300SIHOO M57

Price: $999.99$319.99
Seat height: 47 – 55.5 cm (18.50 – 21.85 in)46–55 cm (≈ 18.1-21.7 in)
Seat depth: 40 – 47 cm (15.75 – 18.50 in)18.11 in (≈ 46 cm)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Recline Angles: 100°, 110°, 130°Reclines up to 126°
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: Soft, integrated headrest; upper backrest adjusts in 5 levelsHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftDual-adjustable lumbar support (vertical and horizontal)
Warranty: 3 years3 years

Which is cheaper, the SIHOO Doro S300 or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $999.99 for the SIHOO Doro S300 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 S300 as standard and the SIHOO M57 as standard.