SIHOO Doro C300 Ultra V2 vs SIHOO Doro S100

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

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

SIHOO

SIHOO Doro S100

$499.99 – $509.99

$180

lower starting price for SIHOO Doro S100 than SIHOO Doro C300 Ultra V2 at the brand stores

Differences at a glance

SIHOO Doro C300 Ultra V2SIHOO Doro S100

Price: $679.99 – $689.99$499.99 – $509.99
Seat height: 47.5–55.5 cm (≈ 18.7-21.9 in)46–54 cm
Seat depth: 16.9–18.5 in (≈ 43-47 cm)15.15–17.12 in (≈ 38.5-43.5 cm)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Recline Angles 105°, 120°, 135°Reclines up to 135°
Arms: 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)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°
Headrest: Ultra-wide 3D headrest, adjusts in three directionsIntegrated headrest adjusts up or down; upper backrest in five levels
Lumbar support: Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsDual dynamic lumbar support
Warranty: 3 years (covers manufacturing defects)3 years

Which is cheaper, the SIHOO Doro C300 Ultra V2 or the SIHOO Doro S100?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $679.99 for the SIHOO Doro C300 Ultra V2 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 C300 Ultra V2 as standard and the SIHOO Doro S100 as standard.