Diono Radian 3R SafePlus vs Evenflo Symphony Extend Breeze 3-in-1

The Radian 3R SafePlus is 1.5 in narrower. The Radian 3R SafePlus lists for $20 less.

Only the differences are shown.

Diono Radian 3R SafePlusEvenflo Symphony Extend Breeze 3-in-1
TypeAll-in-oneAll-in-one
List price$259.99Lowest price$279.99
Rear-facing weight4–50 lb4–50 lb
Rear-facing height18–44 in17–48 in
Forward-facing weight26.5–65 lb30–65 lb
Forward-facing heightNot listed35–49 in
Booster weight40–120 lb40–100 lb
Booster heightNot listed44–57 in
Seat weight29.3 lb17 lbLightest
Width17 inNarrowest18.5 in
Head ruleNot listedRear-facing: Top of head at least 25 mm (1 in.) below the top of the child restraint headrest. Forward-facing: Top of child's ears are at or below the top of child restraint headrest.
Anti-rebound barYesNot listed
RotatesNot listedNo
Recline positionsNot listed6
Expires after10 yearsNot listed

Diono Radian 3R SafePlus

All-in-one 3-across seat from Diono; the maker describes the SafePlus version as having 15 upgrades over the Radian 3R.

  • Maker states it fits 3-across and includes a steel anti-rebound bar
  • Maker lists a 12-position headrest
  • Maker lists 'FAA approved for airline use'

Evenflo Symphony Extend Breeze 3-in-1

A three-mode convertible with breathable FreeFlow fabric that rides rear-facing to 50 lb, then forward-facing with a harness and finally as a high-back booster.

  • Rear-facing limit goes to 50 lb
  • Breathable fabric panels
  • Six recline positions and a no-rethread headrest
  • Heavier at 17 lb to move between cars
Ask the meadow

Radian 3R SafePlus or Symphony Extend Breeze 3-in-1?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Which one will my child use longer, the Radian 3R SafePlus or the Symphony Extend Breeze 3-in-1?

The Diono Radian 3R SafePlus: it goes rear-facing, then forward-facing with a harness, then booster, up to 120 lb. The Symphony Extend Breeze 3-in-1 goes rear-facing, then forward-facing with a harness, then booster, up to 100 lb. The Radian 3R SafePlus expires after 10 years.

Which is easier to travel with?

Radian 3R SafePlus: 29.3 lb. Symphony Extend Breeze 3-in-1: 17 lb. Neither lists aircraft certification.

What does the extra $20 for the Symphony Extend Breeze 3-in-1 get you?

No extra listed feature from the ones we track (load leg, anti-rebound bar, rotation, flame retardants). Compare fabrics, ease of install, and fit in your car. Both meet the same federal crash standard.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.