AndaSeat Kaiser 4 vs SIHOO M18

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

AndaSeat

AndaSeat Kaiser 4

$549 – $579

SIHOO

SIHOO M18

$289.99 – $299.99

34.8 lb

lighter: SIHOO M18 weighs less than AndaSeat Kaiser 4 (official specs)

Differences at a glance

AndaSeat Kaiser 4SIHOO M18

Price: $549 – $579$289.99 – $299.99
Seat height: 18.11–20.67 in (46-52.5 cm)44–54 cm
Seat depth: 18.50 in (47 cm)17.91 in (≈ 45.5 cm)
Load capacity: 260 lb (118 kg)330 lb (≈ 150 kg)
Recline: 90°-135° Backrest Recline; 15° RockingMaximum 126° recline angle
Arms: 6D (Up-down/Right-left/Forward-backward/Upward tilt/Armpad rotation/Arms rotation); Armrest Height Adjustability 2.76'' (7cm)Adjustable armrests (Up and down)
Headrest: Magnetic PillowHeadrest moves 3.9" up and down and pivots 45°
Lumbar support: 24° Pop-out Lumbar with Any-Angle Lock, Built-in Adjustment (In & Out, Up & Down)Lumbar support adjusts vertically and horizontally
Warranty: Five-Year Warranty3 years

From 0 AndaSeat Kaiser 4 and 5 SIHOO M18 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the AndaSeat Kaiser 4 or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 versus $549 for the AndaSeat Kaiser 4 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M18, rated for 330 lb versus 260 lb for the AndaSeat Kaiser 4.

Which has a headrest?

Both: the AndaSeat Kaiser 4 as standard and the SIHOO M18 as standard.

What do owners mention most?

Armrests for the AndaSeat Kaiser 4, and price and value for the SIHOO M18, based on review summaries.