Kokuyo Duora vs Sidiz T80

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

Kokuyo

Kokuyo Duora

¥83,710 – ¥127,930

≈ $530 – $820

Sidiz

Sidiz T80

₩689,000 – ₩859,000

≈ $510 – $630

17.8 lb

lighter: Kokuyo Duora weighs less than Sidiz T80 (official specs)

Differences at a glance

Kokuyo DuoraSidiz T80

Price: ¥83,710 – ¥127,930₩689,000 – ₩859,000
Recline: Auto-fit synchro rocking; rocking angle range adjustment (4 steps: 0, 6, 13, 20°); simple rocking tension adjustment (5 steps)Multi-limited tilt (limits backrest recline angle), tilt tension adjustment
Arms: 2-way motion arms (height stroke 100 mm, depth stroke 65 mm, angle 30° inward)3D adjustable armrests (height, front-back position, left-right angle)
Lumbar support: Pelvic adjust support (3 steps); lumbar support is optionalLumbar support height adjustment
Warranty: Structure 10 years from delivery (purchases from Jan 2023; back frame, arm frame, base legs); mechanisms and moving parts 2 years; exterior and surface finish 1 year15-year quality warranty (for customers who register the product)

What do owners mention most?

Back support for the Kokuyo Duora, and comfort for the Sidiz T80, based on review summaries.