Britax Marathon ClickTight vs. Nuna aace: Which is Better? (2024)

Compare the two car seats side-by-side

Hi there! We're here to help you decide between the Britax Marathon ClickTight and the Nuna aace.

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

Britax Marathon ClickTight Nuna aace
Type Convertible

Rear-Facing Forward-Facing
High Back Booster
Current price
Currently unavailable
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Currently unavailable
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Rating 4.65 4.57

Our Thoughts

When we consider the Britax Marathon ClickTight convertible car seat and the Nuna AACE booster seat, we find two high-quality car seats designed with a strong focus on safety, convenience, and comfort. Each one offers unique features that cater to different stages and needs of a child's development.

The Britax Marathon ClickTight is recognized for its safety and versatility. Its reinforced steel frame and superior side impact protection stand out, promising durable construction and safe journeys for your child. The seat is designed to transition from a rear-facing seat for infants to a forward-facing position for toddlers and older children. The ClickTight installation system simplifies the process of securing the car seat in your vehicle, making it a popular choice for parents looking for safety, ease of use, and adaptability. The fabric is not treated with flame-retardant chemicals and the machine-washable padding makes it easy to clean and maintain. However, it's crucial to note that it may not be the best fit for larger children, as some users have noted possible comfort issues due to size limitations.

On the other hand, the Nuna AACE booster seat is lauded for its advanced safety features and adjustability. Transitioning from a high-back to a no-back booster, this seat offers a solution for growing children above the age of four. The booster seat features side impact protection, multiple recline and depth options, and a breathable, washable fabric, ensuring your child's safety and comfort. However, some parents have noted that the seatbelt sometimes slips out of the guide, necessitating readjustments.

Both car seats have been highly rated for safety and ease of installation, despite a few minor drawbacks. The choice between the two heavily depends on the age and size of your child. The Britax Marathon ClickTight provides a safe and comfortable option for infants transitioning to toddlerhood, while the Nuna AACE is a perfect choice for older children who have outgrown their toddler car seat but still need a booster for safety.

If you have a child that's transitioning from infancy to adolescence, the Britax Marathon ClickTight would be a more suitable choice as it offers more versatility. On the other hand, if your child is a bit older and out-growing their current car seat, the Nuna AACE would be the recommended choice, as it accommodates children's growth while ensuring consistent safety and comfort. As a parent, your choice will largely depend on where your child is in their growth and development.

Key Details

Marathon ClickTight aace
Britax Marathon ClickTight Nuna aace
Brand Britax Nuna
Type Convertible

Rear-Facing Forward-Facing
High Back Booster
Weighted Rating 4.65 4.57
1 yr Price Range $224.99 - $339.99 $250 - $250
Current price
Currently unavailable
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Currently unavailable
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Value

Offers durable construction and long-lasting use, justifying its price point.

The AACE, while on the pricier side, offers exceptional durability and quality, justifying its cost with long-term usability and high resale value.

Safety

Includes superior side impact protection and a steel frame for enhanced safety.

This seat boasts advanced safety features like energy-absorbing foam, side-impact protection pods, and a belt positioner, ensuring enhanced security.

Features

Equipped with the ClickTight installation system and multiple recline positions.

Its 3-D growth system, multiple recline options, and no added fire-retardant chemicals mark it as a feature-rich option.

Installation

The ClickTight system simplifies installation, making it straightforward and reliable.

Users find the installation process straightforward, thanks to its adjustable latch connectors and clear instructions.

Cleaning

Features machine-washable padding, offering convenience in maintenance.

The seat's machine-washable fabric and easy disassembly for cleaning add to its practicality.

Size

While not the most compact, its size is typical for convertible car seats.

While not the smallest booster, its design is space-efficient, offering ample room for growth without being overly bulky.

Review Click here Click here

Comparison of Specifications

While features and reviews provide a sense of real-world use, the specs offer quantifiable details on sizing, limitations, and more. Comparing key measurements and ranges side-by-side is crucial for ensuring you choose a seat properly fitted for your child and vehicle.

We've compiled the weight limits, height limits, dimensions, and other vital statistics for the Britax Marathon ClickTight and the Nuna aace. This data will confirm whether each seat can accommodate your child's current size and projected growth. Specs like seat depth and width are also important for assessing fit with your car's backseat.

Review the following key measurements for both seats. Pay special attention to the height and weight limits to ensure your child falls within the safe ranges.

Height and Weight Limits

Rear-facing

Britax Marathon ClickTight Nuna aace
Height Range 0 - 49 inches
Weight Range 5 - 40 pounds

Forward-facing

Britax Marathon ClickTight Nuna aace
Height Range 0 - 49 inches
Weight Range 20 - 65 pounds

Booster

Britax Marathon ClickTight Nuna aace
Height Range 38 - 60 inches
Weight Range 40 - 120 pounds

Dimensions and Weight

Britax Marathon ClickTight Nuna aace
Width 18.5 inches 22.5 inches
Height 23.0 inches 33.0 inches
Depth 23.7 inches 15.0 inches
Weight 28.5 pounds 15.6 pounds

Core Specifications

Britax Marathon ClickTight Nuna aace
Model Year 2021 2021
Made In USA China
Frame Material Reinforced Steel Plastic

Safety and Compliance

Britax Marathon ClickTight Nuna aace
Federal Safety Standards Meets all standards Meets all standards
Configurations FAA-Approved for Airplanes Forward-Facing
Rear-Facing
High Back Booster
Backless Booster
NHTSA Ease-of-Use Ratings Rear-Facing Mode
Overall 4 out of 5 stars
Labels 3 out of 5 stars
Instructions 5 out of 5 stars
Securing 4 out of 5 stars
Installation Features 4 out of 5 stars
Forward-Facing Mode
Overall 4 out of 5 stars
Labels 3 out of 5 stars
Instructions 4 out of 5 stars
Securing 5 out of 5 stars
Installation Features 4 out of 5 stars
Booster Mode
Overall 4 out of 5 stars
Labels 4 out of 5 stars
Instructions 4 out of 5 stars
Securing 2 out of 5 stars
Installation Features 5 out of 5 stars
Previous Recalls This car seat has never been recalled. This car seat has never been recalled.

Features

Britax Marathon ClickTight Nuna aace
Attachment Methods LATCH
Seatbelt
Seatbelt
Harness Type 5-Point N/A
Cup Holders No cup holders
Has cup holders.

Warranty and Durability

Britax Marathon ClickTight Nuna aace
Manufacturers Warranty Length 1 year 2 years
Lifespan 10 Years 10 Years

Additional Links

See all Britax car seats See all Nuna car seats
Full review of the Britax Marathon ClickTight
Full review of the Nuna aace