SIHOO Doro S300 vs SIHOO M18

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

SIHOO

SIHOO Doro S300

$999.99

SIHOO

SIHOO M18

$289.99 – $299.99

$710

lower starting price for SIHOO M18 than SIHOO Doro S300 at the brand stores

Differences at a glance

SIHOO Doro S300SIHOO M18

Price: $999.99$289.99 – $299.99
Seat height: 47 – 55.5 cm (18.50 – 21.85 in)44–54 cm
Seat depth: 40 – 47 cm (15.75 – 18.50 in)17.91 in (≈ 45.5 cm)
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: Recline Angles: 100°, 110°, 130°Maximum 126° recline angle
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Adjustable armrests (Up and down)
Headrest: Soft, integrated headrest; upper backrest adjusts in 5 levelsHeadrest moves 3.9" up and down and pivots 45°
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftLumbar support adjusts vertically and horizontally
Warranty: 3 years3 years

From 0 SIHOO Doro S300 and 5 SIHOO M18 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro S300 or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 330 lb in their official specifications.

Which has a headrest?

Both: the SIHOO Doro S300 as standard and the SIHOO M18 as standard.

What do owners mention most?

Breathability for the SIHOO Doro S300, and price and value for the SIHOO M18, based on review summaries.