SIHOO Doro C300 Ultra V2 vs Steelcase Series 2

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

Steelcase

Steelcase Series 2

$749 – $1,171

$69.01

lower starting price for SIHOO Doro C300 Ultra V2 than Steelcase Series 2 at the brand stores

Differences at a glance

SIHOO Doro C300 Ultra V2Steelcase Series 2

Price: $679.99 – $689.99$749 – $1,171
Seat height: 47.5–55.5 cm (≈ 18.7-21.9 in)16.5–21.5 in (41.9-54.6 cm); 14.75–18 in (37.5-45.7 cm); 17.25–22 in (43.8-55.9 cm)
Seat depth: 16.9–18.5 in (≈ 43-47 cm)14"D to 17.75"D (functional seat depth)
Recline: Recline Angles 105°, 120°, 135°Angle between seat and back 99.5° to 119°
Arms: 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)Arm height from seat 7.5"H to 11.5"H: Adjustable
Lumbar support: Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsLumbar height from seat 8.5"H to 9.75"H

Which is cheaper, the SIHOO Doro C300 Ultra V2 or the Steelcase Series 2?

The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $749 for the Steelcase Series 2 at the brand stores (Oct 2026).