Sidiz T80 vs Steelcase Series 2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Understanding and Specifying Steelcase Series 2 (Seating Specification Guide, August 2020) ↗Checked Sep 29, 2026
- US Steelcase Store (price) ↗Checked Sep 29, 2026
Sidiz T80Steelcase Series 2
- Price
- ₩689,000 – ₩859,000$749 – $1,171
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentAngle between seat and back 99.5° to 119°
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)Arm height from seat 7.5"H to 11.5"H: Adjustable
- Lumbar support
- Lumbar support height adjustmentLumbar height from seat 8.5"H to 9.75"H
What users mention
From 3 Sidiz T80 and 4 Steelcase Series 2 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsSteelcase Series 28 mentionsAdjustability
Sidiz T803 mentionsSteelcase Series 26 mentionsDesign
Sidiz T802 mentionsSteelcase Series 27 mentionsPrice and value
Sidiz T800 mentionsSteelcase Series 28 mentionsBack support
Sidiz T802 mentionsSteelcase Series 25 mentionsBuild quality
Sidiz T801 mentionSteelcase Series 26 mentions
Questions
What do owners mention most?
Comfort for the Sidiz T80, and comfort for the Steelcase Series 2, based on review summaries.


