The Britax Allegiance Vs Marathon Clicktight are quite similar but there are several differences that are worth noting if you are deciding which of the two is better.

Learn more.

 

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Vs

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Ideal Use


 

Allegiance

Marathon Clicktight

Rear-Facing Weight:

5-40 pounds

Forward-Facing Weight:

20-65 pounds

Forward Facing Height Limit:

Up to 49 inches

Both seats are good until forward-facing. The height and weight limits are exactly the same.

 

Good 2-Way Car Seats


 

Will It Fit In My Car?


 

Allegiance Marathon Clicktight
Width 18.5 inches 18.5 inches
Height 26 inches 23.5 inches
Depth/Length 21 inches 23 inches

You would be needing more vehicle space if you decide to get the Clicktight. You can recline the Clicktight to seven positions, which is good, but if you maximize up to the 7th recline, that means you would need more space length-wise. Not to mention that it is already 2 inches longer than the Allegiance.

Pushing the front seat more to the front is ideal to accommodate the recline if your car is not so big. However, if you have a large vehicle, then getting the Clicktight is okay.

Allegiance is a little more space-saving. It only have 3-Recline positions (which is a disadvantage in terms of usability for younger babies). But because of the limited recline and default shorter length, you can save space length-wise compared to the Clicktight.

 

Britax Allegiance 3 Stage Convertible Car Seat | 1 Layer Impact Protection - Rear & Forward Facing - 5 to 65 Pounds, Static
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Price: $229.99
(As of: 2022/06/17 5:51 pm - Details
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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2 new from $229.990 used
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Installation


 

Allegiance Marathon Clicktight
Do I need to use a pool noodle/rolled towel? Yes Yes
Easy To Install Rear-Facing? Relatively Yes
Easy To Install Forward-Facing? Relatively Yes
Easy To Uninstall? Yes Yes

 

Clicktight has auto-level indicators versus the printed blue line of Marathon G4.1

The reclining capacity of the Allegiance is only 3 positions.

The Marathon Clicktight has 7 recline levels. However, 7 positions are sometimes not enough for younger babies with no proper head and neck control yet, it is good to still use pool noodles in this case.

It is easier to get the proper recline when using the Clicktight. That’s because of the Clicktight’s auto-level level indicators versus the “printed blue line” of the Allegiance that you would need to manually level to the ground. 

 

Britax Marathon ClickTight Convertible Car Seat | 1 Layer Impact Protection - Rear & Forward Facing - 5 to 65 Pounds, Verve
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Price: $319.99
(As of: 2022/06/17 2:26 pm - Details
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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4 new from $319.990 used
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Safety


 

Allegiance Marathon Clicktight
Country Of Origin: USA
Steel Frame: Yes
Five-Point Harness? Yes
Side Impact Tested: Yes
Approved For Airplane Use: Yes
Easy To Buckle And Unbuckle? Yes

Both of the seats are built for safety. They have impact stabilizing steel frames and bases. There is no question about which seat is safer as both have a superior design when it comes to safety.

 

Good All-In-One Car Seats


 

The Seat


 

Allegiance Marathon Clicktight
Is The Material Breathable? Yes
Seat Weight: 19.5 pounds 28.5 pounds
Machine Washable Cover? No
Roomy? Yes
No-Rethread Harness? Yes
Comes With An Infant Body Support? No Just removable pillow
Easy To Remove Cover? Yes
Expiration 7 years 10 years
Comes With A Cup Holder? Selected Colors for Allegiance/No for Clicktight
Shoulder Harness Has Pads? Yes
Leg Straps Has Pads? No

Both seats have breathable materials so you wouldn’t have to worry if your child will overheat in the seat or not. However, the Clicktight seems to have more plush padding and is said to be more comfortable to sit in.

There is a huge difference in their weight – Allegiance is 9 pounds lighter than the Clicktight!

They both have seat covers that you can only hand-wash so be sure to remember it when choosing since you might end up with a frayed seat cover should you accidentally machine wash the cover.

When it comes to the seat space for your child, the shoulder width of the Allegiance is only 13 inches. The Clicktight’s shoulder width is 16 inches.

Your child will be less cramped in the Clicktight as they grow.

Both have the convenience of not needing to manually remove the harness and re-feed them to the next higher slots as they have non-rethread harnesses. The harness moves with the headrest up and down should you need to adjust the height of the straps to better fit your child.

The Allegiance only has 10 headrest positions versus the Clicktight with 12 headrest positions.

The Clicktight seat has 10 years of usability while the Allegiance expires in 7 years. You need to get a separate cup holder for Clicktight since it doesn’t come with it at all.

 

Check The Price Difference


Allegiance

Marathon Clicktight

Check The Latest Price*

Check The Latest Price*


Conclusion


Which is better? It’s quite easy to conclude.

The Clicktight has exceeded whatever the Allegiance can offer.

However, be mindful of the downsides of the Clicktight.

  1. You will need more room in your vehicle to accommodate it.
  2. You will need a car seat transporter/cart* if you need to bring it with you to the airport because it’s very heavy!

If those two major points don’t bother you, then you are safe to go with the Marathon Clicktight.*

What Do You Think?

I’d love to know your thoughts in the comments section below!

Cheers!

Pitin

I'd love to know your thoughts in the comments section below!

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  1. I came away thinking neither was really better than the other, it was a lot more to do with personal preference and the type of car the seat was to be fitted in. You pointed out the weight issue which might deter a single Mum but then once the seat is in how often would it be taken out? So not a problem.

    1. Hi Judy,

      I can see the weight being an issue if the car seat will be used often and needs to be transferred from vehicle 1 to vehicle 2 (i.e. Mom and Dad taking the turn in dropping and picking up the kid in school, but only uses one car seat).

      Thanks for sharing your thoughts. Good insights.:)

      Regards,
      Pitin

  2. I love the Marathon Clicktight car seat! It offers mostly everything I am looking for in a car seat.

    I am glad that I have a big car because that means I have enough space to put that car seat behind the front passenger’s seat which is where I want it to be. I also love the choice of vibrant colors that it comes with, especially that royal blue on the image on your website.

    I am only a bit concerned about the weight since my family travels quite a bit. Fortunately, I don’t think I would have to deal with carrying it, my husband will, so it might be ok.

    I am also shocked about the slight price difference. I mean, sure, the marathon is more money but the benefits far outweighs the price difference.

    1. Hi Liliana,

      The Britax Car Seat Travel Cart is compatible to both of this seat as well as other Britax convertible car seats with LATCH connectors. This cart can be useful if you have to travel often with the car seat.

      I hope this help.

      Regards,

      Pitin

  3. Hi Pitin

    After reading your review I agree with you and I like Britax Marathon Clicktight better. However, I remember Britax recalling their Marathon Clicktight models due to safety issue. They recalled models produced between August, 2014 till July, 2015. Do you know what was the issue and if they managed to repair this? I suppose if they are allowed to sell the seats everything should be OK. But to feel on the safe side I would love to hear your feedback as you have investigated about this car seat.

    1. Hi Arta,

      If the owners of the Britax Clicktight models that were manufactured between August 1, 2014, and July 29, 2015, have registered their unit with the manufacturer, I am sure they received the remedy kit that included a lubricant.

      The lubricant was to allow the adjuster button to freely move and keep the adjuster button locked once the harness is tightened.

      2015 was the last time Britax Clicktight had a recall and there isn’t any recent safety issue with the Clicktight as of writing this comment.

      Regards,
      Pitin

  4. I would consider choosing the Clicktight because, in my estimation, the Clicktight is more appropriate for a growing baby. See, it can be recline in seven ways. The Clicktight is heavier therefore, I can remain comfortable putting my baby in it even when he weighs 25 pounds and over.

    1. Hi Dorcas,

      The presence of more recline adjustments is crucial especially if you are going to put younger babies in a seat who don’t have the proper head and neck control yet.

      Seats that are too upright can pose harm to a baby as their head can fall forward chin-to-chest and can cause breathing problems. Because Clicktight has more recline adjustments than the Marathon G4.1, I agree that it is more appropriate for a growing child.

      The weight, however, is a bit relative. Some seats that are even lighter than the Clicktight don’t have safety issues at all. But sometimes, some parents do equate the weight to safety.

      Regards,
      Pitin

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