Compare the Britax Marathon G4 vs Britax Boulevard G4 side by side and decide which car seat is right for you. The first thing you must know about these seats is they both do not have Click and Safe feature which is available in Pavilion and Advocate G4.
Both Britax Marathon G4 and Britax Boulevard G4 are convertible car seats which come with the Safecell technology. This enables the seat to compress comfortably in case of car crash. Both car seats are able to lower the center of the gravity and counteract the forward rotation of a child seat and this helps to propel the child toward the front seat while seated.