SIHOO Doro S100 vs Steelcase Series 1

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

Steelcase

Steelcase Series 1

$549 – $750

Nearly the same price

$499.99 vs $549 starting prices at the brand stores (SIHOO Doro S100 vs Steelcase Series 1)

Differences at a glance

SIHOO Doro S100Steelcase Series 1

Price: $499.99 – $509.99$549 – $750
Seat height: 46–54 cm16.5–21.5 in (41.9-54.6 cm); 14.75–17.75 in (37.5-45.1 cm); 17.25–22 in (43.8-55.9 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)15.5"D to 17.75"D (functional seat depth)
Load capacity: 330 lb (≈ 150 kg)400 lb (181.4 kg); 300 lb (136.1 kg)
Recline: Reclines up to 135°Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full recline
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°4D arms (standard), height-adjustable arms or armless
Headrest: Integrated headrest adjusts up or down; upper backrest in five levelsOptional headrest; adjusts 3.25" vertically
Lumbar support: Dual dynamic lumbar supportAdjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)
Warranty: 3 yearsLimited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor

Which is cheaper, the SIHOO Doro S100 or the Steelcase Series 1?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $549 for the Steelcase Series 1 at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the Steelcase Series 1 as an option.