Searching for the differences between Britax Marathon G4.1 and Chicco NextFit then you are on the right page, the table below compares the specifications of each item.
Britax Marathon G4.1 vs Chicco NextFit

Britax Marathon G4.1

Chicco NextFit

Spec Comparison of Britax Marathon G4.1 and Chicco NextFit

Britax Marathon G4.1 Chicco NextFit
Our rating: Our rating:
Type
Convertible Car Seat Convertible Car Seat
Color Options
Azul, Confetti, Onyx, Domino, Gridline, Jet set, Pink giraffe, Silver cloud, Static, Amethyst, Matrix, Saffron
Child Weight Min – Rear Facing
5 lbs
5 lbs
Child Weight Max- Rear Facing
40 lbs
40 lbs
Child Weight Max- Forward Facing
20-65 lbs 22-65 lbs
Child Standing Height
49″ or less
49″ or less
Child Seated Shoulder Height Min – Rear Facing
9″
Child Seated Shoulder Height Max – Rear Facing
16.75″
Child Seated Shoulder Height – Forward Facing
12-16.75″
Shoulder Width
13″
13″
Inside Hip Width
14″
11.5″
Inside Seat Depth
12″
14″
Inside Seat Height
24″
26″
External Widest Point
19″
19″
Type of Harness
10-position, quick-adjust harness 5-point harness with one-pull tightener
Lowest Harness Position
8.5″
5.5″
Highest Harness Position
17.5″
17.5″
Expiration Date
7 years 8 years
Car Seat Weight
19.5 lbs
25 lbs
Car Seat Height
26″
26.4″
Car Seat Width
18.5″
21.15″
Car Seat Depth
21″
25″
Features
  • Safe cell impact protection is an integrated system of safety components that work together to protect your child beyond the federal safety standards, this includes our impact absorbing base and complete side impact protection plus
  • Safe cell complete side impact protection plus provides an advanced level of protection: a deep, foam-lined shell absorbs crash forces and shields your child from debris, and an energy-absorbing headrest keeps your child’s head and neck secure
  • 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
  • Recline Sure 9-position leveling system provides the most recline options of any convertible seat for an accurate fit in a wider range of vehicles
  • Two Ride Right bubble levels indicate correct seat angle in both rear-facing and forward-facing modes
  • Exclusive Super Cinch LATCH Tightener uses force-multiplying technology to help achieve a tight and secure fit with a fraction of the effort!
  • Integrated slide path makes it easy to re-position LATCH strap for conversion from rear-facing to forward-facing
  • 6-position headrest features integrated harness adjustment to accommodate growing children

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    Britax Marathon G4.1 vs Chicco NextFit

    Britax Marathon G4.1 vs Chicco NextFit