If you are trying to decide whether the Chicco NextFit or Diono Rainier is a better option for you, here are the most obvious differences between them to help you make your decision, we also have options about where to buy them with best prices.
Chicco NextFit vs Diono Rainier

Chicco NextFit

Diono Rainier

Spec Comparison of Chicco NextFit and Diono Rainier

Chicco NextFit Diono Rainier
Our rating: Our rating:
Type
Convertible Car Seat All-In-One Convertible Car Seat
Color Options
Amethyst, Matrix, Saffron 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
22-65 lbs 20-90 lbs
Child Standing Height
49″ or less
44″ or less
Child Seated Shoulder Height Min – Rear Facing
Child Seated Shoulder Height Max – Rear Facing
Child Seated Shoulder Height – Forward Facing
Shoulder Width
13″
14″
Inside Hip Width
11.5″
Inside Seat Depth
14″
12″
Inside Seat Height
26″
External Widest Point
19″
Type of Harness
5-point harness with one-pull tightener Safe Stop energy absorbing harness system
Lowest Harness Position
5.5″
8″
Highest Harness Position
17.5″
16.5″
Expiration Date
8 years 8 years as harness: 12 years as booster
Car Seat Weight
25 lbs
28.4 lbs
Car Seat Height
26.4″
28.5″
Car Seat Width
21.15″
18.5″
Car Seat Depth
25″
16″
Features
  • 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
  • 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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    Chicco NextFit vs Diono Rainier

    Chicco NextFit vs Diono Rainier