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.

The short answer

Chicco Fit360 comes out ahead by a clear margin (4.1 vs 4.5). The gap is mostly about parents seeking a rotating car seat with multiple recline options — read the strengths below before deciding.

Ranked #4 in Best Convertible Car Seats

Britax Poplar

4.1

$379.99as of Jul 7

The Britax Poplar is a narrow convertible car seat designed for vehicles with limited space, featuring Britax's ClickTight installation system that simplifies belt-based installation. Reviewers noted its lightweight construction and anti-rebound bar for rear-facing use, but criticized its average crash test performance, particularly in head sensor results. While it installs well in most vehicles and offers good comfort and quality, some reviewers found the harness system difficult to use. The seat is recommended for families needing a compact option, though those prioritizing top-tier crash protection may want to consider alternatives.

Strengths

— Narrow design allows for easier installation in tight vehicle spaces
— ClickTight lockoff installation system is easy to use with vehicle seat belts
— Lightweight at 26 pounds, making it easier to move around

Watch-outs

— Average crash test analysis results with below-average head sensor performance
— Harness headrest does not move smoothly and release button has strange design

$379.99 · Check Price on Amazon Full review →

Higher ratedRanked #2 in Best Convertible Car Seats

Chicco Fit360

4.5

$419.99as of Jul 7

The Chicco Fit360 rotating convertible car seat offers ease of use and installation consistent with Chicco's reputation. Consumer Reports praised its 360-degree rotation and multiple recline positions, while also noting the base's narrow width. However, reviewers identified two significant issues: the LeverLock door handle is prone to being opened by curious toddlers, and the lockoff mechanism has been reported as sticking. The seat is recommended for families seeking a user-friendly rotating car seat, though those with very curious or long-legged toddlers may want to consider alternatives.

Strengths

— Easy to install and use properly, consistent with Chicco's reputation
— 360-degree rotation feature allows for easier loading and unloading
— Multiple recline positions (6 total) for comfort during travel

Watch-outs

— LeverLock door handle is vulnerable to curious toddler feet lifting it open
— Lockoff mechanism has been reported as sticking
— Base has a narrowest point width of only 10 inches which may be restrictive in some vehicles

$419.99 · Check Price on Amazon Full review →

How they stack up

Britax Poplar

The Britax Poplar stands out for its narrow design and ClickTight installation system, making it easier to install in tight spaces compared to the Graco Extend2Fit, which lacks a belt lock-off feature. However, unlike the Chicco Fit360, it doesn't offer 360-degree rotation and has below-average crash test performance, particularly in head sensor results. While it's lightweight and user-friendly, it falls short of the Nuna Revv's comfort and the Britax Poplar S's three-across suitability.

Chicco Fit360

The Chicco Fit360 excels with its 360-degree rotation and multiple recline positions, features not found in the Britax Poplar or Britax Poplar S, which lack this swivel function. However, unlike the Graco Extend2Fit, it has a narrow base that may restrict installation and suffers from a vulnerable LeverLock door handle. While it offers ease of use, it doesn't match the superior crash test results of the Graco Extend2Fit or the Nuna Revv's easy LATCH installation.

Specs side-by-side

Spec	Britax Poplar	Chicco Fit360
Rear Facing Weight Range	5-50 pounds	4-40 pounds
Forward Facing Weight Range	30-65 pounds	25-65 pounds
Rear Facing Height Range	18-49 inches tall	under 43 inches
Forward Facing Height Range	28 – 49 inches tall	28 – 49 inches
Seat Weight	26 lb	33 lb
Recline Positions	6	6
Headrest Positions	14-Position	15-position
Expiration	10 years	8 years

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