Knoll Pollock Executive Chair vs SIHOO Doro C300 Ultra V2

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

Knoll

Knoll Pollock Executive Chair

$2,901 – $4,396

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

$2,221.01

lower starting price for SIHOO Doro C300 Ultra V2 than Knoll Pollock Executive Chair at the brand stores

Differences at a glance

Knoll Pollock Executive ChairSIHOO Doro C300 Ultra V2

Price: $2,901 – $4,396$679.99 – $689.99
Seat height: 18.5–21.25 in (47-54 cm)47.5–55.5 cm (≈ 18.7-21.9 in)
Recline: Base features 360 degree swivel, tilt with tension and pneumatic seat height adjustmentRecline Angles 105°, 120°, 135°
Arms: Plastic arms; Arm Height 24½-27¼ in8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
Warranty: 5-year warranty3 years (covers manufacturing defects)

Which is cheaper, the Knoll Pollock Executive Chair or the SIHOO Doro C300 Ultra V2?

The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $2,901 for the Knoll Pollock Executive Chair at the brand stores (Oct 2026).