Steelcase Series 2 vs SIHOO Doro S300

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

Steelcase

Steelcase Series 2

$749 – $1,171

SIHOO

SIHOO Doro S300

$999.99

$250.99

lower starting price for Steelcase Series 2 than SIHOO Doro S300 at the brand stores

Differences at a glance

Steelcase Series 2SIHOO Doro S300

Price: $749 – $1,171$999.99
Seat height: 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)47 – 55.5 cm (18.50 – 21.85 in)
Seat depth: 14"D to 17.75"D (functional seat depth)40 – 47 cm (15.75 – 18.50 in)
Recline: Angle between seat and back 99.5° to 119°Recline Angles: 100°, 110°, 130°
Arms: Arm height from seat 7.5"H to 11.5"H: Adjustable6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: Lumbar height from seat 8.5"H to 9.75"HDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift

From 4 Steelcase Series 2 and 0 SIHOO Doro S300 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Steelcase Series 2 or the SIHOO Doro S300?

The Steelcase Series 2 is cheaper to start: $749 versus $999.99 for the SIHOO Doro S300 at the brand stores (Sep 2026).

What do owners mention most?

Comfort for the Steelcase Series 2, and breathability for the SIHOO Doro S300, based on review summaries.