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

Britax Boulevard G4.1

Diono Rainier

Spec Comparison of Britax Boulevard G4.1 and Diono Rainier

Britax Boulevard G4.1 Diono Rainier
Our rating: Our rating:
Type
Convertible Car Seat All-In-One Convertible Car Seat
Color Options
Congo, Fusion, Laguna, Multi, Onyx, Silver birch, Baxter, Domino, Harlequin, Hudson, Slate strie Black forest, Glacier, Midnight black, Orchid, Black mist, Black plum
Child Weight Min – Rear Facing
5 lbs
5 lbs
Child Weight Max- Rear Facing
40 lbs
50 lbs
Child Weight Max- Forward Facing
20-65 lbs 20-90 lbs
Child Standing Height
49″ or less
44″ 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″
14″
Inside Hip Width
11″
Inside Seat Depth
11.5″
12″
Inside Seat Height
26″
External Widest Point
19″
Type of Harness
10-position, quick-adjust harness Safe Stop energy absorbing harness system
Lowest Harness Position
7″
8″
Highest Harness Position
17″
16.5″
Expiration Date
7 years 8 years as harness: 12 years as booster
Car Seat Weight
19.5 lbs
28.4 lbs
Car Seat Height
26″
28.5″
Car Seat Width
18.5″
18.5″
Car Seat Depth
21″
16″
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
  • The Diono Rainier is the ultimate in car seat safety, made with a full steel frame for unmatched protection and durability
  • 12-position adjustable head support and reinforced extra-deep side walls with energy-absorbing EPS foam surround your child’s head and body for maximum side impact protection
  • Grows with your child from birth to booster: rear-facing from 5-50 lbs., forward-facing from 20-90 lbs. in a five-point harness, and booster mode from 50-120 lbs. (up to 57″ tall)
  • Space-saving design allows extra room for passengers while providing spacious interior for your child
  • New cover designs inspired by European fashion, featuring premium plush fabric for ultimate comfort, better longevity and durability
  • Steel alloy frame and aluminum reinforced sides
  • Adjustable head support, reinforced for complete side impact safety

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    Britax Boulevard G4.1 vs Diono Rainier

    Britax Boulevard G4.1 vs Diono Rainier