SIHOO M18 vs Autonomous ErgoChair Pro

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

SIHOO

SIHOO M18

$289.99 – $299.99

Autonomous

Autonomous ErgoChair Pro

$499

$209.01

lower starting price for SIHOO M18 than Autonomous ErgoChair Pro at the brand stores

Differences at a glance

SIHOO M18Autonomous ErgoChair Pro

Price: $289.99 – $299.99$499
Seat height: 44–54 cm18.5–22 in (47–55.9 cm)
Seat depth: 17.91 in (≈ 45.5 cm)19–21.5 in (48.3–54.6 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136.1 kg)
Recline: Maximum 126° recline angleSynchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
Arms: Adjustable armrests (Up and down)3D armrests; armrest height 11–14 in from seat
Headrest: Headrest moves 3.9" up and down and pivots 45°Adjustable headrest (standard)
Lumbar support: Lumbar support adjusts vertically and horizontallySliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 3 yearsLifetime warranty

From 5 SIHOO M18 and 36 Autonomous ErgoChair Pro user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO M18 or the Autonomous ErgoChair Pro?

The SIHOO M18 is cheaper to start: $289.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M18, rated for 330 lb versus 300 lb for the Autonomous ErgoChair Pro.

Which has a headrest?

Both: the SIHOO M18 as standard and the Autonomous ErgoChair Pro as standard.

What do owners mention most?

Price and value for the SIHOO M18, and price and value for the Autonomous ErgoChair Pro, based on review summaries.