Steelcase Series 1 vs Sidiz T80

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

Steelcase

Steelcase Series 1

$549 – $750

Sidiz

Sidiz T80

₩689,000 – ₩859,000

≈ $510 – $630

Differences at a glance

Steelcase Series 1Sidiz T80

Price: $549 – $750₩689,000 – ₩859,000
Load capacity: 400 lb (181.4 kg); 300 lb (136.1 kg)Maximum load 125 kg (≈ 276 lb)
Recline: Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full reclineMulti-limited tilt (limits backrest recline angle), tilt tension adjustment
Arms: 4D arms (standard), height-adjustable arms or armless3D adjustable armrests (height, front-back position, left-right angle)
Headrest: Optional headrest; adjusts 3.25" verticallyHeadrest height / angle adjustment
Lumbar support: Adjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)Lumbar support height adjustment
Warranty: Limited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor15-year quality warranty (for customers who register the product)

From 5 Steelcase Series 1 and 3 Sidiz T80 user reviews, most mentioned first. Green is liked, orange is a caution.

Which has a headrest?

Both: the Steelcase Series 1 as an option and the Sidiz T80 as standard.

What do owners mention most?

Adjustability for the Steelcase Series 1, and comfort for the Sidiz T80, based on review summaries.