Britax Poplar vs. Diono Radian 3RXT Safe+: Which is Better? (2024)

Hi there! We're here to help you decide between the Britax Poplar and the Diono Radian 3RXT Safe+.

Our goal is to provide you with the information you need to feel confident that you're choosing the optimal car seat for your family's needs and budget. Let us know if you have any other questions!

At A Glance

Our Thoughts

The Britax Poplar and the Diono Radian 3RXT Safe Plus are both versatile convertible car seats, designed to provide comfortable and secure transport for your child as they grow. However, each has its own strengths, considerations, and unique features that may suit different family needs and preferences.

The Britax Poplar earns praise not only for its robust safety features, but also for its user-friendly design, notably the ClickTight installation system. This system trades the normal struggle of securing the car seat into a vehicle for a relatively simple process, which busy parents will certainly appreciate. With a reputation for safety, comfort, and quality, the Poplar ensures your child's journey is enjoyable, whether it's a short ride to the grocery store or a long road trip. It's particularly useful for families with compact cars due to its slim profile. However, this model does have a weight limit to consider; it supports rear-facing use up to 50 pounds and forward-facing use up to 65 pounds.

On the other hand, the Diono Radian 3RXT Safe Plus reveals its advocates among larger families and those with multiple children. Its narrow design allows up to three seats to fit across in most vehicles—no simple feat. Practicality is paired with impressive safety features, including a steel-reinforced frame and comprehensive protection measures for any potential collision. Notably, this car seat offers an extended weight limit; it can be used rear-facing up to 50 pounds, forward-facing up to 65 pounds, or as a booster seat up to 120 pounds. This broad range signals the Radian 3RXT Safe Plus's longevity—it can grow with your child for years. However, some parents found that the installation and reassembly of the seat, especially after cleaning the cover, can be a bit challenging.

In the end, your choice between the Britax Poplar and the Diono Radian 3RXT Safe Plus may come down to the specifics of your family's situation. If convenience in installation and a more space-efficient design are among your top needs, the Britax Poplar could serve you well. Alternatively, if you're seeking a car seat that can accommodate your growing child for a longer period and handle the demands of a full car's worth of child seats, the Diono Radian 3RXT Safe Plus may be the way to go. Both seats showcase significant merits in comfort, safety, and adaptability, promising high-quality transportation for your child.