HBADA X7 Smart vs SIHOO M18

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

HBADA

HBADA X7 Smart

$1,509

SIHOO

SIHOO M18

$289.99 – $299.99

$1,219.01

lower starting price for SIHOO M18 than HBADA X7 Smart at the brand stores

Differences at a glance

HBADA X7 SmartSIHOO M18

Price: $1,509$289.99 – $299.99
Seat height: Adjustable by 3.35" / 8.5 cm, from 17.52" to 20.87" / 44.5 - 53 cm44–54 cm
Seat depth: Adjustable by 1.97" / 5 cm, from 15.94" to 17.91" / 40.5 - 45.5 cm17.91 in (≈ 45.5 cm)
Load capacity: 330 lb330 lb (≈ 150 kg)
Recline: Positions shown at 105°, 116°, 128° and 140° (maximum)Maximum 126° recline angle
Arms: 720° armrest system: 360° rotation, 20° flip, 4.33"/110mm front-back, 1.97"/50mm heightAdjustable armrests (Up and down)
Headrest: 4D Dual-Axis Headrest: 70° rotation, 1.77"/45mm height, 2.17"/55mm front-backHeadrest moves 3.9" up and down and pivots 45°
Lumbar support: 3-Zone Floating Wings with AI smart lumbar tracking: 1.97"/50mm electric front-back, 1.77"/45mm manual up-down, 10° auto-adaptLumbar support adjusts vertically and horizontally
Warranty: 5 years on five-star base, gas lift and casters; 3 years on tilt mechanism, height adjustment, lumbar system, armrests and backrest frame3 years

Which is cheaper, the HBADA X7 Smart or the SIHOO M18?

The SIHOO M18 is cheaper to start: $289.99 versus $1,509 for the HBADA X7 Smart at the brand stores (Oct 2026).

Which has a headrest?

Both: the HBADA X7 Smart as standard and the SIHOO M18 as standard.