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Head to head · Car Seats

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

Ravvy scores Ellaris 3-in-1 Convertible Car Seat at 85.38 and Radian 3R, 3-in-1 Convertible Car Seat at 86.09. Radian 3R, 3-in-1 Convertible Car Seat takes the overall pick.

Safety 1st Ellaris 3-in-1 Convertible Car Seat, Slim Fit Design, Rear & Forward-Facing, 5-Position Headrest, Travel-Friendly with Machine-Washable Seat Pad, Smokey Haze

$100

This is an excellent choice for families needing to fit three-across or travel frequently by air, provided they are comfortable with a more basic installation system.

Ravvy pick

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

$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

FactorEllaris 3-in-1 Convertible Car SeatRadian 3R, 3-in-1 Convertible Car Seat
Portability96.572
Value for money95.5–
Maintenance ease91–
Space efficiency9498.5
Comfort and padding68–
Ease of installation7265.5
Longevity–94
Ease of cleaning–84
Safety construction–96

Ellaris 3-in-1 Convertible Car Seat

What owners praise

  • Slim design saves significant backseat space
  • Extremely lightweight at only 12 pounds
  • Washable and dryer-safe seat covers
  • FAA approved for use on airplanes
  • Dual dishwasher-safe cup holders included

What to know first

  • Traditional hook LATCH is less intuitive than push-on connectors
  • Maximum weight limit is lower than some deluxe 4-in-1 seats
  • Less plush padding compared to luxury brands

Skip it if parents seeking luxury padding or high-end latch connectors

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

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

Specs side by side

SpecEllaris 3-in-1 Convertible Car SeatRadian 3R, 3-in-1 Convertible Car Seat
UPC884392007737677726506200
ASINB0DXMFYHNVB083F5P7VP
BrandSafety 1stDiono
ColorSmokey HazeBlack Jet
Unit Count1 Count1 Count
Item Weight12 pounds23 pounds
OrientationForward Facing, Rear FacingConvertible Seat
Part NumberCC396HNH50620
Harness Type5-Point5-Point
ManufacturerDorel Juvenile GroupDiono
Model NumberCC396HNH50620
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