Verdict
Head-to-head · Best Convertible Car Seats

Britax Poplar vs Chicco Fit360

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Chicco Fit360 comes out ahead by a clear margin (4.3 vs 4.0). Chicco Fit360 is best for: parents seeking a rotating car seat with multiple recline options. Read the strengths below before deciding.

Britax Poplar
Ranked #4 in Best Convertible Car Seats
Britax Poplar
2 sourcesall derived$399.99as of Sep 25

The Britax Poplar is a narrow convertible car seat for vehicles where space is tight, and its ClickTight system takes the guesswork out of belt-based installation. Reviewers noted the lightweight construction and the anti-rebound bar for rear-facing use. It installs well in most vehicles and the comfort and quality hold up, though some reviewers struggled with the harness system. Families who need a compact seat should consider it.

Strengths
  • — Narrow design allows for easier installation in tight vehicle spaces
  • — ClickTight lockoff installation system is easy to use with vehicle seat belts
  • — Allows rear-facing use up to 50 pounds or 49 inches tall, so kids can stay rear-facing longer
Watch-outs
  • — Harness headrest does not move smoothly and release button has strange design
Chicco Fit360
Higher ratedRanked #2 in Best Convertible Car Seats
Chicco Fit360
1 source$419.99as of Oct 20

The Chicco Fit360 spins a full 360 degrees on its base, which turns loading a child into a face-to-face job rather than a contortion over a bolster. Installation is the other strength: the LeverLock belt path tensions once and stays put. Two faults stand out — the release handle sits exactly where a curious toddler's foot can reach it, and at 33 pounds with no carry handle the shell is awkward to move between cars. Families keeping it in one vehicle get the most out of it.

Strengths
  • — Rotates 360 degrees on the base so the child is loaded facing the open door
  • — BabyGearLab says the LeverLock system makes belt installation super straightforward; it tensions itself once and does not need re-tightening
  • — Zip-off machine-washable pad and a dishwasher-safe cupholder
Watch-outs
  • — CSFTL found the LeverLock door handle vulnerable to curious toddler feet lifting it open
  • — Lockoff mechanism has been reported as sticking, per CSFTL
  • — Base has a narrowest point width of only 10 inches which may be restrictive in some vehicles

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Britax Poplar

The Britax Poplar is a narrow seat with a ClickTight lockoff for belt installation, where the Graco Extend2Fit Convertible Car Seat has no belt lock-off. Both rear-face to 50 pounds, against 40 pounds for the Chicco Fit360 and the Nuna Revv. At 26 pounds it is lighter than the Chicco Fit360 and Nuna Revv.

Chicco Fit360

The Chicco Fit360 rotates 360 degrees on its base, as the Nuna Revv does, and its forward-facing limit of 65 pounds exceeds the Nuna Revv's 40. It rear-faces to 40 pounds, against 50 pounds for the Graco Extend2Fit Convertible Car Seat and the Britax Poplar. At 33 pounds it is heavier than the 26-pound Britax Poplar and the 18.5-pound Graco, and its base narrows to 10 inches at one point.

Specs side-by-side

SpecBritax PoplarChicco Fit360
Rear Facing Weight Range5-50 pounds4-40 pounds
Forward Facing Weight Range30-65 pounds25-65 pounds
Rear Facing Height Range18-49 inches tallunder 43 inches
Forward Facing Height Range28 – 49 inches tall28 – 49 inches
Seat Weight26 lb33 lb
Recline Positions66
Headrest Positions14-Position15-position
Expiration10 years8 years
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