Compare the Britax Boulevard G4.1 vs Britax Marathon G4.1 in our detailed side by side comparison. Find the product that meets your overall needs the best.
Britax Boulevard G4.1 vs Britax Marathon G4.1

Britax Boulevard G4.1

Britax Marathon G4.1

Spec Comparison of Britax Boulevard G4.1 and Britax Marathon G4.1

Britax Boulevard G4.1 Britax Marathon G4.1
Our rating: Our rating:
Type
Convertible Car Seat Convertible Car Seat
Color Options
Congo, Fusion, Laguna, Multi, Onyx, Silver birch, Baxter, Domino, Harlequin, Hudson, Slate strie Azul, Confetti, Onyx, Domino, Gridline, Jet set, Pink giraffe, Silver cloud, Static,
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 20-65 lbs
Child Standing Height
49″ or less
49″ or less
Child Seated Shoulder Height Min – Rear Facing
9″
9″
Child Seated Shoulder Height Max – Rear Facing
16.75″
16.75″
Child Seated Shoulder Height – Forward Facing
12 – 16.75″ 12-16.75″
Shoulder Width
13″
13″
Inside Hip Width
11″
14″
Inside Seat Depth
11.5″
12″
Inside Seat Height
26″
24″
External Widest Point
19″
19″
Type of Harness
10-position, quick-adjust harness 10-position, quick-adjust harness
Lowest Harness Position
7″
8.5″
Highest Harness Position
17″
17.5″
Expiration Date
7 years 7 years
Car Seat Weight
19.5 lbs
19.5 lbs
Car Seat Height
26″
26″
Car Seat Width
18.5″
18.5″
Car Seat Depth
21″
21″
Features
  • Safecell 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
  • SafeCell 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
  • Click and safe snug harness indicator gives an audible click to aid you in the proper tightening of your child’s harness
  • 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

Britax Boulevard G4.1 Reviews

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Britax Marathon G4.1 Reviews

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    Britax Boulevard G4.1 vs Britax Marathon G4.1

    Britax Boulevard G4.1 vs Britax Marathon G4.1