Generation by Knoll vs SIHOO M18

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

Knoll

Generation by Knoll

$1,653 – $1,886

SIHOO

SIHOO M18

$289.99 – $299.99

$1,363.01

lower starting price for SIHOO M18 than Generation by Knoll at the brand stores

Differences at a glance

Generation by KnollSIHOO M18

Price: $1,653 – $1,886$289.99 – $299.99
Seat height: 16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)44–54 cm
Seat depth: 15.75–18.75 in with arms, 15.75–18.25 in armless (Ultra); 15–18 in with arms, 15–17.5 in armless (Thin)17.91 in (≈ 45.5 cm)
Load capacity: 300 lb (136.1 kg)330 lb (≈ 150 kg)
Recline: Seat-to-back angle 96°–111°; back tilt range 15°; synchronized recline ratio seat:back 1°:4.4°Maximum 126° recline angle
Arms: Arm height from seat 6.625–11.125 in (Thin) / 6.125–10.625 in (Ultra); High performance arm pads adjust 2 in width (1 per arm), 1.5 in depth and pivot 45°Adjustable armrests (Up and down)
Lumbar support: Fixed lumbar 9.25 in; optional adjustable lumbar 8.125–11.375 inLumbar support adjusts vertically and horizontally
Warranty: 12-year warranty (terms and conditions apply)3 years

From 2 Generation by Knoll and 5 SIHOO M18 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Generation by Knoll or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 versus $1,653 for the Generation by Knoll at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M18, rated for 330 lb versus 300 lb for the Generation by Knoll.

What do owners mention most?

Comfort for the Generation by Knoll, and price and value for the SIHOO M18, based on review summaries.