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Best Britax Convertible Car Seats

Updated January 2022
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Pros
Cons
Best of the Best
Britax Boulevard ClickTight Cool Flow Convertible Car Seat
Britax
Boulevard ClickTight Cool Flow Convertible Car Seat
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Bottom Line

This seat has a little more padding than other convertible seat models and includes a click-tight feature.

Pros

A product that is really durable. You can use this car seat from the time your child comes home from the hospital until they are ready for a seat-belt booster. Click-tight feature clicks when you have pulled the straps tight enough. Weighs about 30 pounds and rated to hold a child up to about 65 pounds. 7 positions available. Holds up well through multiple children.

Cons

This car seat is more expensive than the other Britax seats.

Best Bang for the Buck
Britax Essentials Allegiance Convertible Car Seat
Britax
Essentials Allegiance Convertible Car Seat
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Bottom Line

All the strengths of the Britax brand at a lower price.

Pros

Adjustment system for straps does not require re-threading. Narrower than other Britax models. Rated for children from 5 to 65 pounds. Heavy duty build. Steel frame. Several recline positions.

Cons

The instructions can be difficult to understand on this model.

Britax Marathon Clicktight Convertible Car Seat
Britax
Marathon Clicktight Convertible Car Seat
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Customer Favorite
Bottom Line

Our baby and kids expert states this quality model provides optimum safety, versatility, and excellent features.

Pros

This booster seat is designed to be safe and comfortable for short and extended trips. It converts and adjusts to be suitable from birth up to preschool years. It has 12 adjustable positions, a five-point harness, and a two-position buckle. Plus, it has an impact-absorbing frame and base.

Cons

Its bulky build makes it somewhat challenging to switch between cars.

Britax Roundabout G4.1 Convertible Car Seat
Britax
Roundabout G4.1 Convertible Car Seat
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Bottom Line

Same good quality as other Britax with fewer bells and whistles.

Pros

5-point harness is sturdy and easy to use. Easy to tighten and loosen straps. Buttons make it simple to tighten and release your child from this seat. Steel frame and safe cell impact safety build. Cover is easy to remove and clean.

Cons

The straps on this Britax have to be manually threaded to adjust height.

Britax Advocate ClickTight Anti-Rebound Bar Convertible Car Seat
Britax
Advocate ClickTight Anti-Rebound Bar Convertible Car Seat
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Bottom Line

This model includes a rebound bar designed to make the seat more stable in a rear facing position.

Pros

Steel frame. Heavy side impact protection. 7 recline positions. Very sturdy. Very safe. Includes the click-tight system for helping make sure the straps are tight enough.

Cons

The install on this seat can be a bit more challenging than other Britax models.

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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. About BestReviews  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.About BestReviews 
HOW WE TESTED

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Convertible car seats are a great way to get the most for your money when buying a car seat, and Britax offers several quality models. Convertible car seats in general are able to be used both rear-facing for infants and forward-facing for toddler and older kids. Britax’s convertible models generally have weight limits of up to 40 pounds for rear facing and 55-65 pounds for front facing. Britax convertible seats are made of quality materials and usually feature several recline options to get the best fit for your child. Several models include a click-tight feature where the safety harness clicks when it is tight enough for your child. Straps can also usually be adjusted without the need to completely re-thread them.

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