Diono Cambria 2 vs Harmony Youth Booster

Side-by-side specs from each maker.

Only the differences are shown.

Diono Cambria 2Harmony Youth Booster
TypeBoosterBooster
Booster weight40–120 lb40–110 lb
Booster height38–63 in40–57 in
Seat weight12.8 lbNot listed
Width20.1 inNot listed
Head ruleNot listedChild's ears MUST be below the top of the vehicle seat back/vehicle headrest.
InstallationLATCH, seat beltvehicle 3-point lap-and-shoulder belt only
Load legNot listedNo
Anti-rebound barNot listedNo
RotatesNot listedNo
Aircraft labelNot listedNot certified for aircraft
Expires after8 years6 years

Diono Cambria 2

A 2-in-1 high-back to backless booster with flexible LATCH, armrests and two cup holders.

  • Converts to backless
  • Flexible LATCH connectors keep the seat in place when empty
  • Machine-washable cover
  • 20.1 in width is wide for three-across
  • No top tether

Harmony Youth Booster

Harmony backless belt-positioning booster, model HMYBBLNYB-S6 per its US manual, used with the vehicle lap-and-shoulder belt.

  • Maker states 40-100 lb and 40-57 in on the manual cover
  • Maker states the expiry date is on the underside of the base
  • Manual states it is not compatible with LATCH
  • Manual gives no seat weight, dimensions or age range
Ask the meadow

Cambria 2 or Youth Booster?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Which one will my child use longer, the Cambria 2 or the Youth Booster?

The Diono Cambria 2: it goes booster, up to 120 lb. The Youth Booster goes booster, up to 110 lb. The Cambria 2 expires after 8 years.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.