Autonomous ErgoChair Ultra 2 vs Herman Miller Aeron

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

Autonomous

Autonomous ErgoChair Ultra 2

$449

Herman Miller

Herman Miller Aeron

$1,775 – $2,840

$1,326

lower starting price for Autonomous ErgoChair Ultra 2 than Herman Miller Aeron at the brand stores

Differences at a glance

Autonomous ErgoChair Ultra 2Herman Miller Aeron

Price: $449$1,775 – $2,840
Seat height: 18–23 in14.4–19.3 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)
Seat depth: 18–20.5 in16 / 17 / 18.5 in (40.6 / 43.2 / 47.0 cm)
Load capacity: 320 lb300 / 350 / 400 lb (136 / 158.8 / 181.4 kg)
Recline: 25°Harmonic 2 Tilt; options: Standard/Basic tilt, Tilt Limiter, Tilt Limiter with Seat Angle
Headrest: optionalNone offered by Herman Miller
Warranty: lifetime12-year, 3-shift warranty, with limited exceptions

Which is cheaper, the Autonomous ErgoChair Ultra 2 or the Herman Miller Aeron?

The Autonomous ErgoChair Ultra 2 is cheaper to start: $449 versus $1,775 for the Herman Miller Aeron at the brand stores (Oct 2026).

Which has a headrest?

Only the Autonomous ErgoChair Ultra 2 (as an option); the Herman Miller Aeron does not offer one.