Britax Car Seats Comparisions

Roundabout 55

Marathon 70-G3

Boulevard 70-G3

Pavilion 70-G3

Advocate 70-G3

Premium SafetySide Impact Protection

True Side Impact Protection

Side Impact Cushion Technology

Base with SafeCell Technology

Integrated Steel Bars

Energy Absorbing Versa-Tether

HUGS with SafeCell Technology

Tangle-Free 5-Point Harness

FITWeight Capacity

55 lb

70 lb

70 lb

70 lb

70 lb

Multiple Buckle Positions

Easy-Of-UseClick & Safe Snug Harness Indicator

Quick-Adjust Harness

Premium Lower LATCH Connectors

EZ-Buckle System

Easy-Remove Cover

Britax Convertible Car Seats G4 vs G3

( For Roundabout G4, Marathon G4, Boulevard G4, Pavilion G4 and Advocate G4 )

  • A new infant insert is designed for G4 series for child up to 22 lbs.
  • The HUGS design on Britax G4 is renewed, now Britax says that it’s more difficult than G3 for children to push down.
  • G4 models come with color coded labels, each type of seat has a specific color.
  • he maximum shoulder height for rear facing position will be on cover for parents.
  • Maximum weight limits are now 65 lbs. which are 70 lbs. in G3 models.


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