Steelcase Series 2 vs Humanscale Diffrient Smart

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

Steelcase

Steelcase Series 2

$749 – $1,171

Humanscale

Humanscale Diffrient Smart

$1,987

$1,238

lower starting price for Steelcase Series 2 than Humanscale Diffrient Smart at the brand stores

Differences at a glance

Steelcase Series 2Humanscale Diffrient Smart

Price: $749 – $1,171$1,987
Seat height: 16.5–21.5 in (41.9-54.6 cm); 14.75–18 in (37.5-45.7 cm); 17.25–22 in (43.8-55.9 cm)16.5” – 22.8”
Seat depth: 14"D to 17.75"D (functional seat depth)16.25” - 18.75” seat depth adjustment range
Recline: Angle between seat and back 99.5° to 119°18° recline + 8° backrest tilt
Arms: Arm height from seat 7.5"H to 11.5"H: AdjustableFixed Duron Arms / Adjustable Duron Arms / 4D Adj Duron Arms / Armless
Lumbar support: Lumbar height from seat 8.5"H to 9.75"HTri-panel Form-Sensing mesh adapts its lumbar support to each user (no manual lumbar adjustment)

From 4 Steelcase Series 2 and 2 Humanscale Diffrient Smart user reviews, most mentioned first. Green is liked, orange is a caution.

Comfort
Steelcase Series 28 mentions
Humanscale Diffrient Smart3 mentions
Price and value
Steelcase Series 28 mentions
Humanscale Diffrient Smart2 mentions
Design
Steelcase Series 27 mentions
Humanscale Diffrient Smart3 mentions
Adjustability
Steelcase Series 26 mentions
Humanscale Diffrient Smart3 mentions
Build quality
Steelcase Series 26 mentions
Humanscale Diffrient Smart1 mention
Back support
Steelcase Series 25 mentions
Humanscale Diffrient Smart2 mentions

Which is cheaper, the Steelcase Series 2 or the Humanscale Diffrient Smart?

The Steelcase Series 2 is cheaper to start: $749 versus $1,987 for the Humanscale Diffrient Smart at the brand stores (Sep 2026).

What do owners mention most?

Comfort for the Steelcase Series 2, and comfort for the Humanscale Diffrient Smart, based on review summaries.