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Britax Poplar S Convertible Car Seat, 2-in-1 Car vs Cybex Callisto G 360 Rotating All-in-One

Updated August 2026 — Cybex Callisto G 360 Rotating All-in-One leads on weight and recline.

The Britax Poplar S offers excellent safety features and a lower price, while the Cybex Callisto G provides advanced safety technologies and convenience.

Why Britax Poplar S Convertible Car Seat, 2-in-1 Car is better

price

Britax is $399.99, Cybex is $749.95

cleaning

Britax has a machine-washable cover

design

Britax features a slim 17-inch design

Why Cybex Callisto G 360 Rotating All-in-One is better

safety

Cybex has a complete SafetyAssure Protection System

rotation

Cybex offers 360-degree rotation

recline

Cybex has five recline options

Overall score

Britax Poplar S Convertible Car Seat, 2-in-1 Car
85
Cybex Callisto G 360 Rotating All-in-One
78

Specifications

SpecBritax Poplar S Convertible Car Seat, 2-in-1 CarCybex Callisto G 360 Rotating All-in-One
Price$399.99$749.95
InstallationClickTightSafeLock
Max Weight65 lbs120 lbs
Safety FeaturesSafeCellSafetyAssure
CleaningMachine-washableNot specified

Dimension comparison

Britax Poplar S Convertible Car Seat, 2-in-1 CarCybex Callisto G 360 Rotating All-in-One

Overview of the Britax Poplar S and Cybex Callisto G

The Britax Poplar S Convertible Car Seat is priced at $399.99, while the Cybex Callisto G 360 Rotating All-in-One Convertible Car Seat costs $749.95, making the Britax about 47% cheaper than the Cybex. Both car seats are designed to provide safe and comfortable travel for children, but they cater to slightly different needs and preferences. Understanding the features of each can help parents make the best choice for their child's safety and comfort.

Design and Size

The Britax Poplar S features a slim 17-inch design that allows for 3-across seating without compromising safety. This SpaceSaver design is especially beneficial for families with multiple car seats or passengers. On the other hand, the Cybex Callisto G offers a 360-degree rotation feature, which is a significant convenience for parents when loading and securing children in the car. The rotating capability allows for easy access regardless of the seat’s recline position. Overall, while the Britax focuses on compactness, the Cybex emphasizes versatility in access.

Installation Ease

Installation is a critical factor in choosing a car seat, and both options excel in this area. The Britax Poplar S utilizes ClickTight technology, which simplifies the installation process by providing clearly labeled seat belt paths. This feature helps eliminate guesswork, ensuring a secure fit every time. Conversely, the Cybex Callisto G employs a SafeLock 1-Time Installation System that allows for quick and stable installation with a tether and seatbelt. While both seats prioritize ease of installation, the Britax’s ClickTight may appeal more to those who prefer a straightforward, tool-free method.

Safety Features

Safety is paramount in any car seat, and both the Britax Poplar S and Cybex Callisto G offer advanced safety features. The Britax model integrates a carbon steel frame and SafeCell crumple zone, which absorb crash energy effectively. Additionally, it includes a V-shaped tether to help slow down forward movement during a crash. In contrast, the Cybex Callisto G boasts a complete SafetyAssure Protection System that claims to enhance safety performance by 37%. This includes an Anti-Rebound Base, Linear Side-impact Protection, and a Bluetooth-enabled chest clip, providing parents with peace of mind. While both seats are designed with safety in mind, the Cybex features may appeal more to tech-savvy parents looking for modern safety innovations.

Comfort and Adjustability

For comfort, the Britax Poplar S includes premium inserts and padding, alongside a 14-position no-rethread harness and headrest to ensure a tailored fit as the child grows. This adaptability allows the seat to accommodate children up to 65 lbs when forward-facing. In comparison, the Cybex Callisto G also offers multiple recline positions (five options) to guarantee a comfortable ride, regardless of the seating mode. Both car seats aim to provide a comfortable experience for children, but the Britax may offer a more customized fit as the child grows due to its extensive adjustability.

Cleaning and Maintenance

In terms of cleaning, the Britax Poplar S features a machine-washable cover and dishwasher-safe cup holders, making it practical for parents who are concerned about spills and messes. The ease of maintenance is an essential factor for busy families. The Cybex Callisto G does not explicitly mention cleaning features in the provided data, which may suggest that it lacks the same level of convenience in this regard. Therefore, for parents prioritizing cleanliness and ease of upkeep, the Britax stands out.

Price Comparison

The price difference between the Britax Poplar S and the Cybex Callisto G is substantial, with the Britax priced at $399.99 and the Cybex at $749.95. This makes the Britax about 47% less expensive than the Cybex. While some may argue that higher price correlates with better features, the Britax offers a robust set of safety and comfort features at a significantly lower price point. This considerable price disparity suggests that budget-conscious parents might find the Britax to be a compelling option without sacrificing essential safety and comfort.

Which should you buy?

Ultimately, the choice between the Britax Poplar S and the Cybex Callisto G depends on your specific needs and preferences. If you are looking for a cost-effective option that offers excellent safety features, ease of installation, and a slim design for tight spaces, the Britax Poplar S is a strong contender. However, if you prioritize advanced safety technologies and the convenience of a rotating seat for easy access, the Cybex Callisto G might be worth the higher investment. Consider your lifestyle, vehicle space, and budget to make the best decision for your family.