The Mighty Fit 65: A 2023 Review and Comparison Among Car Seats

Choosing an infant car seat is like buying insurance. You have to make sure that it covers everything you need, and you can rely on it to keep your kids safer in case of emergency.

Hence, you must take extra steps to compare brands and read features to find the one that ticks all the boxes. There are many options for a primary car front seat, and it can get overwhelming to find the right one.

cute baby sleeping

To help you narrow down your list, we made a comprehensive review of the Cosco MightyFit 65, so you can see the qualities of a good car seat.

If you continue reading, you will also get important information about the best-selling car seats that can stand side by side with the Cosco Mighty Fit.

What You Need To Know About The Cosco Chair


This car seat (Heather Onyx Gray)  is versatile and can be converted in two ways. It can accommodate children from 5 lbs up to 40 lbs in rear-facing position mode or from 22 lbs up to 65 lbs in forward-facing mode. One of the selling points of the convertible car seat is its right size. It measures 17x 22 x 23,5 inches, and it is narrower than most car seats, which means more legroom for your child. Plus, it is lightweight and convenient to carry when traveling. Its compact design also makes it easier to manage through airport security checks.

Installing the Cosco MightyFit 65 is easy and hassle-free, thanks to the bottom hooks that securely attach to the car seat. However, adjusting the harness straps might require a little patience, but it’s worth it to ensure your child’s safety.

The Cosco Mighty Fit 65

What Are The Pros Of The Cosco MightyFit 65?

  • It is NHTSA and FAA-approved, and it has outstanding safety features that pass the federal safety standards. The convertible car seat heather Cosco MightyFit 65  also includes built-in side impact protection and a reliable 5-point harness system to keep your child safer when traveling.
  • It has a narrow design. Hence, it does not consume so much space when installed. That means there would be enough legroom when sitting children rear-facing. It also has a latch, and vehicle belt installation system, and it fits most vehicles, so you will not have to worry whether it will fit your chosen vehicle or not.
  • Since it has five height adjustments and three buckle locations that you can adjust as your child gets older, it is perfect for a growing child.
  • This seat is super easy to clean and its cover can be machine-washed and dryer-safe.
  • It is made from high-quality materials and deluxe materials and plush padding made of fabric and foam to provide an extra comfy ride and keep your child mighty comfortable throughout the journey.

What Are The Cons Of the Cosco MightyFit 65?

  • According to customer reviews, it is hard to achieve the right incline when the child is seated rear-facing, so it can be difficult to get your baby boy comfortably rear-facing.
  • The harness straps tend to twist and get tangled up.
  • Other customers say that the headrest can be uncomfortable when kids fall asleep on car rides.

Cosco MightyFit 65 Vs. Cosco Scenera


Both models are 2-in-1 convertible car seats and can be used as rear-facing and forward-facing. The only difference between the two is the minimum weight limit range. The Cosco Scenera can only accommodate 22-40 lbs and may not be the best option for older children.

Features And Safety:

The Mighty Fit dx convertible car seat and the Cosco Scenera have the same 5-point harness system, three buckle position, and can fit in most vehicles. In terms of comfort, the Cosco Scenera is short of the extra padding found on the Cosco MightyFit 65. Safety-wise, both the Mighty Fit and Cosco Scenera have impact protection built and has met the Federal Safety standards. And speaking of safety, infant car seats could be used only from birth until a child is thirty pounds, so keep that in mind, too!


The Cosco Scenera is a cheaper and more affordable alternative. However, you should also consider the details and features, more reliable durable carseat, and longevity of use before deciding to see if it will fit your growing family’s real-life needs.


Cosco MightyFit 65 Vs. Cosco Apt


The Cosco Apt can accommodate infants from 5 lbs up to 40 lbs when rear-facing and from 22 lbs up to 50 lbs when forward-facing. The Might Fit on the other can hold more weight of up to 65 lbs when forward-facing.

Features and Safety:

Both the Cosco Apt and Mighty Fit have the same outstanding safety and basic features. In this category, the difference would be the size of each car seat. Cosco Apt is much wider than its counterpart, its width is 22” and 3.5 “wider than the Might fit, which is fairly compact. The weight of the Cosco Apt is its redeeming factor because it considerably lightweight compared to the other car seats. It only weighs 8lbs while the other one weighs 11 lbs.


The Cosco Apt cost is one of the highly-rated car seats that will not break the bank. Price-wise, it costs way less than the Mighty Fit 65.


Cosco Mighty Fit Vs. Chicco Nestfit


The Chicco Nextfit can also hold up to a maximum of 65 lbs, and it has an 8-year expiration date. Most Cosco car seats have 6 years expiration date. Hence, you can use the Chicco Nextfit longer.

Features and Safety:

The Chicco Nextfit comes with a breathable 3D AirMesh backrest, soft seat, and ComfortFlex waist belt. It also offers a 9-position recline system and SuperCinch Latch and LockSure seat belt-tightening system.

But compared to the Mighty Fit, the Chicco Nextfit has less room. The Mighty Fit, on the other hand, gives more leg room due to its compact design and also a 5-point harness system. Regarding safety, the Nextfit is considered one of the safest child restraints or car seats for infants and was given high ratings by verified customers because of its safety features.


Since it has more fundamental and safety features, the Nextfit is much more expensive than the Mighty Fit. If you plan to change your car seat after a few years, or if you want to buy a separate booster seat, you will get more savings with the car seat from Cosco.


What Makes A Good Convertible Car Seat?

  • The car seat must fit with most vehicles, whether you have a micro or a mini van, since there is a possibility that you might change your vehicle before you change your car seat.
  • A car seat that grows with your child is always a good purchase. The pressure of spending more money for a different infant seat when your little one outgrows the old one can put a strain on your budget since car seats can be expensive.
  • Travel systems are getting more attention these days because it gives parents more savings. Buy a car seat that can be converted to a travel system so you won’t have to spend more money in the long run.
  • The price does not justify the features. Some car seats can be more expensive but fall short with features. It is good to consider the price but do not overlook what the car seat offers.
  • When you’re traveling with a child, messes happen. Cleaning the car seat can be stressful if you choose a car seat with tough to wash materials. Purchase a car seat with materials that are wash and dryer friendly. Investing in a cup holder or a removable cup holder is smart to avoid spills.
car seat

Which Car Seat Are You Going To Buy?

As discussed in this article, there are countless car seats that you can find almost anywhere. Nevertheless, it would be best to give much thought to your choices before you make your decision. Check all the reviews to find the best seat to give your child an extra comfortable ride. You must also keep in mind that it will be for your little one and it is something that could help save their life in case of car crash or accidents. So car seats should not be purchased solely for cost efficiency; you should prioritize the safety features, and the price comes second.

Conclusion: Choosing the right convertible car seat can be a daunting task, but with careful research, you can find the one that fits your family’s real life. The Cosco MightyFit 65 is an affordable and reliable option that can accommodate growing families. It is made of deluxe materials, adjusts easily, and has impact protection built-in. It is also narrow, lightweight, and install easily, which makes it a perfect fit for American families who need a convertible car seat that is both comfortable and safe.

Frequently Asked Questions (FAQs)

How Wide Is This Model?

The Cosco MightyFit 65 measures 17x 22 x 23,5 inches, making it narrower than most car front seats. Because it is lightweight and compact, it is easier to carry around while traveling.

What Are The Forward-Facing Mode Weight Limits Of The DX car seat?

The car seat is designed to keep your baby comfortably forward-facing up to 65 lbs. When installed rear facing, on the other hand, it can keep your child rear facing up to 40 pounds.

How Long Is The Graco My Ride Good For?

The car seat expires 7 years after the manufacturing date. You can find the date of manufacture on the label on the back of the Graco My Ride 65. The Cosco MightyFit 65 lasts for up to 6 years. On the other hand, Maxi Cosi Car Seats are one of the longest-lasting car back seat, being usable for up to 10 years.

How Much Does It Weigh?

The Cosco MightyFit LX is a popular car seat that is known for its compact size and lightweight design. It is one of the lightest car seats on the market, weighing in at only 11 pounds. This makes it easy to carry and move around, which is especially convenient for parents who are always on the go. Despite its lightweight, the Cosco MightyFit LX is still a sturdy and reliable car seat that is capable of accommodating children from 5 to 65 pounds.

The seat is also equipped with several safety features, including side-impact protection and a five-point harness, making it a great choice for parents who are looking for a lightweight yet secure car seat for their children. This is a good option for smaller vehicles. It is easy to install, so you can use it for a second car or if you just want to move the seat. Overall, the Cosco MightyFit LX is a great option for parents who value convenience, portability, and safety.

How long are Cosco car seats good for?

Cosco kids car seats typically have an expiration date, which is usually stamped on the seat or mentioned in the Cosco car seat manuals. The expiration period can vary depending on the specific model and manufacturing date, but it is generally recommended to replace a Cosco car seat after six to ten years to ensure optimal safety and performance. It is important to consult the Cosco car seats manuals or contact Cosco directly for the exact expiration guidelines for your particular car seat model.

Are Cosco and Safety 1st the same?

Is it OK to use expired car seat?

Why do carseats expire?

How do you tell if a Cosco car seat is expired?

Is Cosco good car seat?

Cosco car seats are simple with functional designs, so they do their job without much fuss. It is guaranteed to become a familiar seat when you are looking for comfortable, budget-friendly, and effective car seats for your little one.

How do you clean a Cosco car seat cover?
Do front facing car seats recline?
Which Cosco car seat is best for toddler?

Is rear facing mode vs front facing car seat safer?

Yes, baby comfortably rear facing in a car seat is safer when a family travels. Rear facing installation is easy, especially with specific brands like Cosco. Other models have a bit more complicated setup.

What is the best age for front facing car seat?



Last Updated on May 6, 2023 by Lisette Lao

DISCLAIMER (IMPORTANT): This information (including all text, images, audio, or other formats on is not intended to be a substitute for informed professional advice, diagnosis, endorsement or treatment. You should not take any action or avoid taking action without consulting a qualified professional.   Always seek the advice of your physician or other qualified health provider with any questions about medical conditions. Do not disregard professional medical advice or delay seeking advice or treatment because of something you have read here a

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