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Head to head · Car Seats

Grow and Go All-in-One Convertible Car Seat vs Radian 3R, 3-in-1 Convertible Car Seat

Ravvy scores Grow and Go All-in-One Convertible Car Seat at 89.77 and Radian 3R, 3-in-1 Convertible Car Seat at 86.09. Grow and Go All-in-One Convertible Car Seat takes the overall pick, best for budget-conscious families seeking a single long-term car seat solution..

Ravvy pick

Safety 1st Grow and Go All-in-One Convertible Car Seat, Rear Facing, 5-40 lbs, Forward Facing (30–65 lbs), High Back Booster Seat 40-100 pounds, Black Phantom Black Phantom Original
89.8

$140

Budget-focused families should buy this for its impressive ten-year lifespan and easy-to-clean design, accepting that it has a bulkier footprint and thinner padding than luxury rivals.

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black Radian 3R Fits 3 Across Black Jet
86.1

$200

This is the definitive choice for growing families needing to fit three children across a single row, provided they can manage its heavy steel frame and technical installation process.

How they score

FactorGrow and Go All-in-One Convertible Car SeatRadian 3R, 3-in-1 Convertible Car Seat
Longevity9694
Value for money98–
Ease of cleaning94.584
Space efficiency6598.5
Harness adjustment90–
Ease of installation82.565.5
Portability–72
Safety construction–96

Grow and Go All-in-One Convertible Car Seat

What owners praise

  • Three-in-one design lasts from birth to 100 pounds
  • QuickFit harness allows one-handed adjustments
  • Machine washable and dryer-safe seat cover
  • Dual integrated dishwasher-safe cupholders
  • Lightweight frame is easy to transport between cars

What to know first

  • Large footprint when fully reclined in rear-facing mode
  • Manual recline adjustment can be stiff
  • Padding is thinner than premium competitive models

Skip it if compact vehicle owners needing a slim rear-facing profile

Radian 3R, 3-in-1 Convertible Car Seat

Skip it if parents who frequently switch the seat between different vehicles

Specs side by side

SpecGrow and Go All-in-One Convertible Car SeatRadian 3R, 3-in-1 Convertible Car Seat
UPC884392005030677726506200
ASINB0FC44HB9XB083F5P7VP
BrandSafety 1stDiono
ColorBlack PhantomBlack Jet
Unit Count1 Count1 Count
Item Weight12.5 pounds23 pounds
OrientationForward Facing, Rear FacingConvertible Seat
Part NumberCC409HMY50620
Harness Type5-Point5-Point
ManufacturerDorel Juvenile GroupDiono
Model NumberCC409HMY50620
Material TypePolyesterAlloy Steel, Plastic, Polypropylene, Polystyrene

Other options in this category

Britax One4Life All in One Car Seat, Up to 10 Years of Use — Mineral Gray Mineral Gray One4Life
95.1

Best for safety conscious parents who want a single high quality seat to last from birth to middle school

  • 10 year lifespan from 5 to 120 pounds
  • Built-in cooling channels for airflow
  • Steel reinforced frame
$440
Graco Extend2Fit Convertible Car Seat, Rear and Forward Facing Car Seat with Adjustable Extension Panel for Extra Legroom, Great Gift for Baby Shower or Baby Registry, Gotham Gotham 2.0 2-in-1
94.1

Best for parents prioritizing extended rear-facing safety for taller children.

  • 4-position extension panel
  • 10-position headrest height
  • ProtectPlus Engineered safety
$240