KI Altus vs Herman Miller Sayl

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

KI Altus

$881 – $1,516

Herman Miller

Herman Miller Sayl

$935 – $1,580

Nearly the same price

$881 vs $935 starting prices at the brand stores (KI Altus vs Herman Miller Sayl)

Differences at a glance

KI AltusHerman Miller Sayl

Price: $881 – $1,516$935 – $1,580
Seat height: 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)16–20.5 in standard; 15–19 in low; 16.5–22 in extended
Seat depth: 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)16.5 in fixed; 16–18 in adjustable
Load capacity: supports up to 400 pounds350 lb (159 kg)
Arms: Adjustable arms, fixed arms, or armlessOptions: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
Lumbar support: Mesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar supportPostureFit Sacral Support Standard; Lumbar Support Optional
Warranty: Lifetime12-year, 3-shift

Which is cheaper, the KI Altus or the Herman Miller Sayl?

The KI Altus is cheaper to start: $881 versus $935 for the Herman Miller Sayl at the brand stores (Sep 2026).

What do owners mention most?

Back support for the KI Altus, and comfort for the Herman Miller Sayl, based on review summaries.