Herman Miller Aeron vs KI Signia

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

Herman Miller

Herman Miller Aeron

$1,775 – $2,840

KI Signia

$930 – $1,076

$845

lower starting price for KI Signia than Herman Miller Aeron at the brand stores

Differences at a glance

Herman Miller AeronKI Signia

Price: $1,775 – $2,840$930 – $1,076
Seat height: 14.4–19.3 in (36.6–49 cm); 14.8–22.8 in (37.6–57.9 cm); 15.8–22.8 in (40.1–57.9 cm)17.5–22 in (44.5–55.9 cm)
Seat depth: 16 / 17 / 18.5 in (40.6 / 43.2 / 47.0 cm)17–20 in (43.2–50.8 cm)
Recline: Harmonic 2 Tilt; options: Standard/Basic tilt, Tilt Limiter, Tilt Limiter with Seat AngleFive-position back travel limiter provides up to 27 degrees of recline
Arms: Arm height 7.5–11.5 in (adjustable arms); 8.5 in (fixed arms); Options: Fully Adjustable Arms, Height-Adjustable Arms with Pivot, Height-Adjustable Arms, No Arms, Stationary Arms; Arm Height 7.5–11.5 in (Fully Adjustable Arms, specs page)Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms
Lumbar support: Options: No additional support, PostureFit, Adjustable Lumbar Support, Adjustable PostureFit SLOptional lumbar support with 2.5" of vertical adjustment
Warranty: 12-year, 3-shift warranty, with limited exceptionsLifetime

Which is cheaper, the Herman Miller Aeron or the KI Signia?

The KI Signia is cheaper to start: $930 versus $1,775 for the Herman Miller Aeron at the brand stores (Oct 2026).