SIHOO B100 vs SIHOO M57

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

SIHOO

SIHOO B100

$199.99 – $259.99

SIHOO

SIHOO M57

$319.99

$120

lower starting price for SIHOO B100 than SIHOO M57 at the brand stores

Differences at a glance

SIHOO B100SIHOO M57

Price: $199.99 – $259.99$319.99
Seat height: Seat height adjustable from 18.3" to 21.9"46–55 cm (≈ 18.1-21.7 in)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Three lockable angles: 110°, 125° and 135°Reclines up to 126°
Arms: Flip-up 2D armrests3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: Wide 2D adjustable headrestHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: Floating sacral cushion (targeted sacral support)Dual-adjustable lumbar support (vertical and horizontal)
Warranty: 3 years3 years

Which is cheaper, the SIHOO B100 or the SIHOO M57?

The SIHOO B100 is cheaper to start: $199.99 versus $319.99 for the SIHOO M57 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 B100 as standard and the SIHOO M57 as standard.