Britax Marathon G4 - Reviews, Prices, Specs and Alternatives

Britax Marathon G4

Britax Marathon G4
$179.99 View deals
Price updated 17 hours ago

Compare Britax Marathon G4 with:

Graco Extend2Fit
Graco Extend2Fit
Graco Contender 65
Graco Contender 65
Safety 1st Grow and Go
Safety 1st Grow and Go
Other Convertible Car Seat
When you are serious about your child’s safety and comfort on the road, the Britax Marathon G5 is surely a great convertible car seat to invest in. With a steel frame and an energy-absorbing base, thi... Read full review
— Review by Azanta Rezwana 0 0
Avg. review

Price Range:

Key features
  • ClickTight Installation System
  • Steel frame
  • Energy-absorbing base
  • V-shaped tether
  • Staged-release stitches
  • Side impact protection formed by a deep foam-lined shell
  • Quick-adjust 12-position harness and 2-position buckle
  • 7-position recline with automatic level indicator adjusts

Britax Marathon G4 is a popular option in the middle of the convertible car seats price range. It's in the top 3 bestselling convertible car seats and has dozens of popular alternatives in the same price range, such as Eddie Bauer Deluxe 3-in-1 or Diono Radian R100 .

Britax Marathon G4 was released in 2014. There are dozens of newer convertible car seats on the market. Show newer Convertible Car Seats

Britax Marathon G4 is $5.35 more expensive than the average convertible car seat ($174.64).

General Info
Brand
Britax USA
Description
This model is suitable for kids from 5 to 40 pounds in a rear-facing position and from 20 to 65 pounds in a forward-facing position. It features deep side walls that are lined with energy-absorbing foam for better protection. The harness is tangle-free and adjusts to different height positions.
Details
  • Safe cell impact protection is an integrated system of safety components, including an impact absorbing base, tether and harness, an impact stabilizing steel frame, and complete side impact protection plus
  • Safe cell complete side impact protection surrounds your child in a deep protective shell designed to absorb crash forces and shield your child from debris
  • Quick-adjust, 10-position harness and 2-position buckle allows you to easily move the harness upward and buckle outward for a comfortable, secure fit as your child grows
  • Easy-on/easy-off latch connectors lock into place with an audible click and are easily released with the push of a button
  • Tangle-free, 5-point harness prevents the straps from twisting making it easier to load your child into the seat and ensuring a safer ride
  • Read more
Child Restrictions
Age Range
Newborn and up
Weight Range Minimum weight to maximum weight
5lb - 40lb
Height Range Minimum height to maximum height
49 inches
Rear facing weight limit How long can the child sit rear facing in this seat? (weight)
40 lbs
Rear facing height limit How long can the child sit rear facing? (height)
3.9 ft
Booster seat Can the convertible car seat be used as a booster seat?
Yes
Installation
How the seat is installed If the seat is clicked into a base, the seat can can be taken out of the car easily with the child still in it.
  • Clicked into a base (the base is not movable)
LATCH Connectors What LATCH system connectors does the seat use to be secured in the vehicle?
Easy-On / Easy-Off LATCH Connectors
Car Size What size vehicles does this seat work with?
  • Small (e.g. Toyota Prius)
  • Medium (e.g. Kia Optima)
  • Large (e.g. Dodge Charger)
  • SUV / Minivans
Adjustable features
Harness Type What type of harness is used to secure the child
  • 5-point
Adjustable Recline Can the seat’s recline angle be adjusted?
Yes
Padding or insert included Extra padding is required to have a newborn or small baby fit properly in a convertible car seat
No
Adjustment Features How the straps and buckles adjust to ensure that the child is secured
  • The no rethread harness makes it easy to adjust the strap height
NHTSA Rating
NHTSA Evaluation of Securing the Child National Highway Traffic Safety Administration of the United States ranking from 1-5, 1 being the worst and 5 being the best
5
NHTSA Evaluation of Ease of Use National Highway Traffic Safety Administration of the United States ranking from 1-5, 1 being the worst and 5 being the best
4
NHTSA Evaluation of Installation National Highway Traffic Safety Administration of the United States ranking from 1-5, 1 being the worst and 5 being the best
1
NHTSA Evaluation of Labels National Highway Traffic Safety Administration of the United States ranking from 1-5, 1 being the worst and 5 being the best
5
NHTSA Evaluation of Instructions National Highway Traffic Safety Administration of the United States ranking from 1-5, 1 being the worst and 5 being the best
5
Physical Features
Color Mouse over a color for a picture
Pink Giraffe
Silver Cloud
Domino
Summit
Azul
Static
Confetti
Weight of the seat

17 lbs
 
Dimensions
1.9 x 1.5 x 2 ft
Premium Features
Detachable cover Does the car seat cover come off and on easily?
No
Machine washable cover Can the carseat cover be put in the washing machine?
No
Stroller system compatible Can this car seat be used with a compatible stroller system?
Yes
Ages
0 - 6y, 0 - 12m
Popularity 0-100 scale indicating how frequently people buy the product online. Recalculated daily.
69 / 100
Release Date
1 Jun 2014
Warranty
1 year
Return Policy How long the trial period is and what the return policy is like
Britax Child Safety, Inc. will only accept returned child restraints that have been issued a "Return Authorization Number" from the Britax Child Safety Consumer Service Department.
Model Numbers Mouse over a model for a picture
Customer Reviews Reviews from real customers who bought the product on Amazon

Questions about Top Convertible Car Seats

There are 29 questions about Top Convertible Car Seats. Ask a question Show all

User Avatar
What car seat is safest between the graco 4 ever and the Nautilus 65
Related: Graco 4ever, Graco Nautilus, Top Convertible Car Seats | Submitted by Athena 15 days ago

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-budget is $400 max.
-My one year old daughter will be using the seat. She is 28" tall and 19 lbs. now.
- We drive a Subaru Outback.
-We fly at least once a year on a cross country flight and will need to bring the carseat. I like the option for her to use it on the plane instead of checking it.
I am torn between the Diono Rainier/Radian or the Britax Marathon Click Tight.
Questions:
-Safety comparison.
-Is the side impact better for the Rainier? But then what did the Radian score better on the Insurance rating? That's confusing.
Thanks for your assistance. This decision is not easy!
Related: Diono RadianRXT, Britax Marathon ClickTight, Top Convertible Car Seats | Submitted by Katie 28 days ago

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I am having a hard time deciding between these two. My daughter hates the car seat and I am hoping once we transition, it will get better. They both have a lot of nice features but I'm wondering if anyone has had experience with both. Does your child prefer one over the other? Do you feel one is easier/safer than the other? Thank you
Related: Chicco Nextfit Zip, Graco 4Ever Extend2Fit, Top Convertible Car Seats | Submitted by Lakyn 40 days ago

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Which is a better car seat: Chicco Nextfit or the Extended2fit by Graco? which is easier to use? Please provide detail.
Related: Graco Extend2Fit, Chicco NextFit, Top Convertible Car Seats | Submitted by anonymous 76 days ago

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how do I install Sonus 65 in 2017 f-150
Related: Evenflo Sonus, Top Convertible Car Seats | Submitted by anonymous 89 days ago

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