Britax Poplar vs Britax Poplar S

The Poplar lists for $50 less.

Only the differences are shown.

Britax PoplarBritax Poplar S
TypeConvertibleConvertible
List price$349.99Lowest price$399.99
Rear-facing weight5–50 lbUp to 50 lb
Rear-facing height18–49 in18–49 in
Forward-facing weight30–65 lbUp to 65 lb
Forward-facing height35–49 in35–49 in
Seat weight27.2 lbLightest28 lb
Width17 in17 in
Head ruleRear-facing: when the top of the child's head is at least 1" (2.5 cm) below the top of the head restraint. Forward-facing: when the top of the ears are below the top of the head restraint.Rear-facing: when the top of the child's head is at least 1" (2.5 cm) below the top of the head restraint. Forward-facing: when the top of the ears are below the top of the head restraint.
Newborn insertLower infant insert (optional): MAY be used for children who weigh 20 lbs (9.1 kg) or less rear-facing; not forward-facing. Positioning layer MUST be folded down for 5-40 lbs rear-facing.Infant inserts (optional, two per product page): DO NOT use any infant inserts with children weighing over 20 lbs (9.1 kg) rear-facing; not forward-facing.
Installationseat belt (ClickTight)seat belt (ClickTight)
Load legNoNo
Anti-rebound barNoYes
RotatesNoNo
Harness heights1414
Recline positions66
Aircraft labelCertified for aircraft, per the makerCertified for aircraft, per the maker
No added flame retardantsYesYes
Expires after10 years10 years

Britax Poplar

A slim 17-inch Britax convertible with a ClickTight seat belt install and a no-rethread harness. It rear-faces up to 50 lb.

  • Slim 17-inch width
  • High 50 lb rear-facing limit
  • 10-year life
  • No anti-rebound bar listed (that is the Poplar S)

Britax Poplar S

The Poplar with extras: a ReboundReduce stability bar, upper-body support pillow and contrast stitching. Same slim 17-inch frame.

  • Slim 17-inch width
  • Includes rebound-reducing stability bar
  • 10-year life
  • Costs more than the Poplar for mostly comfort and bar extras
Ask the meadow

Poplar or Poplar S?

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

Which is easier to travel with?

Poplar: certified for planes, 27.2 lb. Poplar S: certified for planes, 28 lb.

What does the extra $50 for the Poplar S get you?

Per the makers, the Poplar S adds an anti-rebound bar. Both meet the same federal crash standard.

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