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Cybex Aton VS Chicco Keyfit

For many new parents, finding a car seat that fits their baby snuggly and provides optimal protection is the only thing that matters. But of course, they also need to find one that they love through and through. That’s where the Cybex Aton and Chicco Keyfit come into play.

Premium Choice
CYBEX Aton 2 Car Seat
  • Lightweight car seat
  • Rear-facing
  • SensorSafe
  • L.S.P. System
  • Easy Installation
Best Value
Chicco KeyFit 30 Infant Car Seat
  • Comfortable and secure
  • Simple installation
  • Five-point safety harness
  • Easy to fasten and unfasten
  • Washable fabric

While both of these models offer fantastic features that every parent wants in their infant car seats, they each have unique specifications that may make one a better option than the other. So, take a look at this comprehensive review of the key differences between these infant car seats. Hopefully, by seeing them side-by-side, you can get a better idea of what is ideal for you and your baby’s needs. 

Before I get into the nitty gritty, here’s a little summary of points you need to understand:

FeaturesCybex Aton 2Chicco Keyfit 30
Child Weight Capacity4 – 35 lbs4 – 30 lbs
Internal BeltHas an internal beltDoesn’t have an internal belt
VarietyComes in four variationsComes in seven colorways and patterns

These are only the basic differences of what you’ll see in this article, but I’ll explain these in more detail as I take you through each of these products and their distinguishing characteristics.

A Closer Look at the Cybex Aton 2

CYBEX Aton 2 with SensorSafe, Convertible Car Seat, Ultra-Lightweight Infant Seat, Real-Time Mobile App Safety Alerts, Removable Newborn Insert, Side-Impact Protection, Denim Blue

Let’s begin with the Cybex Aton 2. This is a rear-facing convertible seat that can accommodate your child for up to 18 months. You can check out its specs and features in the table below.

Cybex Aton 2Specs
Dimensions (Depth X Height X Width) 24.8 in. x 21.85 in. x 17.32 in.
Weight9 lbs
Type of Belt3-Point belt
Safety StandardsR 129 | ECE 44.04-Marked
Mounting OptionsAttachment to the isofix base is included
Age Suitability0 to 18 months
Maximum Height LimitsUp to 30 inches

When it comes to designing rear-facing seats, CYBEX puts safety a top priority. The company conducts hundreds of crash tests every year to ensure that the child restraint system is unparalleled. That’s why the Cybex Aton 2 sports impressive safety features that are unique to this model. 

Apart from its plush and comfortable material, some of its distinguishing features include the following

Ultra lightweight

Weighing in a total of 9 lbs, the Cybex Aton 2 is one of the lightest infant car seats on the market today. Because of this, it’s easy to carry around and set up in different vehicles without compromising the comfort and safety of your baby.

Likewise, if you’re the type of family that likes to travel a lot, the lightweight feature makes it hassle-free to lug around during your trips. 

SensorSafe Technology

While you’re driving, it can be difficult to keep tabs on your baby. So, the company installed a SensorSafe Technology that sends you real-time alerts regarding the safety of your child. By downloading the app and connecting it to the receiver of your vehicle, you can instantly enjoy this innovative feature. 

Load Leg Base

Speaking of safety, Cybex Aton 2 also has a load leg base integrated into the infant seat, which effectively transfers up to 50% of the impact of the crash from the car seat to the vehicle floor. This added element helps distribute the energy force away from your baby to ensure that he remains unharmed in the event of an accident. 

Linear Side-Impact Protection (L.S.P. System)

While the Load Leg Base absorbs the impact from the base, the Linear Side-Impact Protection absorbs the initial brunt force from both sides of the car seat, thereby, reducing the amount of damage to up to 25%. With both features combined, your baby can experience a well-rounded protection that many other infant seats do not offer. 

A Closer Look at the Chicco Keyfit 30

Chicco KeyFit 30 Infant Car Seat and Base | Rear-Facing Seat for Infants 4-30 lbs.| Infant Head and Body Support | Compatible with Chicco Strollers | Baby Travel Gear

Now that I’ve discussed the specs and unique features of the Cybex Aton 2, let’s move on to the Chicco Keyfit 30. The specifications of the product are as follows. 

Chicco Keyfit 30Specs
Dimensions (Depth X Height X Width) 22.83 in x 28.83 in x 16.93 in
Weight9.26 lbs
Type of Belt2-Point Belt
Safety StandardsECE 44.04-Marked
Mounting OptionsSeat Belt
Age Suitability< 1 year old
Maximum Height LimitsUp to 30 inches

Among the many infant car seats in the market, the Chicco Keyfit 30 ranks as the number one model for its easy, accurate, and secure installation and innovative features. These are:

Foolproof Set-up System

One of the biggest selling points of the Chicco Keyfit 30 is its straightforward installation system that includes the following elements:

  • ReclineSure Leveling Foot
  • RideRight Bubble Level Indicators
  • SuperCinch LATCH Tightener

These innovative technologies enable you to place your infant car seats at the right angle, establish the proper balance, and tighten the harness to ensure your child’s safety and comfort. Thanks to the manual’s visual markers and rigorous step-by-step procedure, you can easily follow the set-up instructions and finish the entire princess in as fast as five minutes.

Removable and Washable Fabric

Besides that, this rear-facing car seat also has a removable and washable carrier fabric that’s a major plus for many mothers. Since juice spills, diaper blowouts, and food stains are almost always a surety in the baby world, having this feature makes it so much easier for parents to constantly maintain the cleanliness of the car seat and, therefore, extend the lifespan of this product. 

Tried and Tested Security System

Similar to the Cybex Aton 2, the Chicco Keyfit 30 makes safety a priority. Manufactured in compliance with Federal Safety Standards, the product’s body and head support promotes a secure fit for newborns and smaller babies. The car seat’s shell is lined with an expanded polystyrene foam (EPS) to improve impact protection in the event of accidents. 

The product also features a 5-point harness system with a single-pull strap, making it easier for parents and caregivers to use. With just a push of a button, you can easily buckle in or release your child from the car seat without giving them much time to make a fuss.

Through these features, Chicco has become a trusted brand for many families who enjoy going on road trips. Apart from the Chicco KeyFit 30, you can also check out the Chicco travel systems reviews and the Chicco NextFit reviews to explore other products the company offers.

The Difference Between Cybex Aton vs Chicco Keyfit

Premium Choice
CYBEX Aton 2 Car Seat
  • Lightweight car seat
  • Rear-facing
  • SensorSafe
  • L.S.P. System
  • Easy Installation
Best Value
Chicco KeyFit 30 Infant Car Seat
  • Comfortable and secure
  • Simple installation
  • Five-point safety harness
  • Easy to fasten and unfasten
  • Washable fabric

Having this information may be a lot to digest in one sitting, so let me try to simplify it for you by showcasing their key differences. 

Weight Restrictions

Although both the Chicco KeyFit 30 and the Cybex Aton 2 work for newborn babies weighing as little as 4 lbs., they differ in the maximum weight capacity. 

  • For the Chicco KeyFit 30, their maximum weight capacity is 30 lbs.
  • For the Cybex Aton 2, their maximum weight capacity is 35 lbs. 

Because of this, the Cybex Aton 2 is more suitable for bigger babies. 

Safety Features

In terms of safety, both infant car seats provide innovative features that ensure your baby remains secure in their vehicle seat. But to give you deeper insights, here is a list of pointers that I like about each of these models that give it its high safety ratings among several consumer reports. 

  1. The Chicco KeyFit 30 is designed with a thick, well-cushioned seat that not only promotes safety but comfort as well. 
  2. The cushions in the Chicco KeyFit 30 are made with an energy-absorbing foam that can significantly increase your child’s protection during a car crash.
  3. The Cybex Aton 2 has a base and side-impact protection features that likewise absorb impact, but they’re not integrated into the model’s foam. Instead, the model uses a lightweight metal base and frame to make this work. 

With these additional safety features, both models will work just as effectively to keep your baby protected against potential harm on the road. 

Additional Features

More than the essential components, you should also take a look at other fun features each of these infant car seats offer. 

For the Chicco KeyFit 30, expect to see:

  1. All-weather boot
  2. High compatibility with other strollers like Chicco Bravo, Urban, Neuvo, and Activ3
  3. Removable insert perfect for smaller babies
  4. Seven color options

Moving onto the Cybex Aton 2, here’s what you can benefit from:

  1. Compatibility with the Cybex travel system
  2. Foldaway canopy
  3. Removable insert perfect for smaller babies
  4. Four color options

Price Range

As awesome as these products sound, you might be wondering: how much do these convertible car seats cost? Both of these are above average price, but they’re also worth the investment especially with the features they offer. The Chicco Keyfit 30 costs around $200 while the Cybex Aton 2 costs anywhere between $300 to $400. When you buy either of the two, the package will include the base and the car seat body for your ultimate convenience and ease of installation.

Cybex Aton or Chicco Keyfit: Which One is Better For You?

While many have debated over which of the two infant seats stands on top, I think the choice will ultimately depend on you. Through this article, I have given you ample information about what each of these products offer and how they can benefit you. Now, it’s your turn to discern which infant car seat you want. In doing so, be sure to look at each model from all angles and consider all factors to ensure that you make the right decision. 

Read our related articles to learn more about the topic: Chicco KeyFit 30 vs Nuna Pipa | Uppababy Mesa vs Chicco KeyFit 30 | Britax B-Safe vs Chicco | Uppababy Mesa vs Gracy Snugride

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