The ultimate 3 across All-in-One car seat from birth to booster
Suitable from 4 – 120 lb
What’s New for the Q?
The all new radian® Q series focuses on complete child passenger safety and comfort. Designed and engineered with over 23 improvements in safety, testing, comfort and functionality to create the next generation in car seat safety.
COMPLETE NEWBORN REAR-FACING PROTECTION
Designed and engineered with all new Diono Safe+™ protection for complete newborn rear-facing safety and comfort.
Safe+ Engineering
The radian Q series exclusively features diono Safe+™ engineering, our unique combination of car seat engineering and rigorous testing above and beyond NHTSA federal crash standards to provide one of the safest seats available.
THE ULTIMATE 3 ACROSS ALL-IN-ONE
The radian Q series features slim fit design that fits 3 across in most midsize vehicles without compromising child or passenger space and comfort.
Radian 3QXT
Black Jet
Gray Slate
Blue Sky
Red Cherry
Purple Plum
Yellow Mineral
N Comfort+ memory foam cushion
N Safe+™ easy adjust 12 position headrest with 22% increase in range
N Safe+™ steel core
N Safe+™ headrest with built in side impact protection
N Safe+™ side Impact protection with extended sidewalls
N Safe+™ steel anti-rebound bar
N Safe+™ 2-in-1 infant positioning liner
N Safe+™ newborn travel high wedge
N Safe+™ side impact tested
N Safe+™ roll over tested
N Safe+™ tested using 2x impact force required by US FMVSS 213
N Safe+™ rear impact tested
N Safe+™ side impact management pod
N Safe+™ newborn harness pads
N Safe+™ newborn protection insert
Radian 3QX
Black Jet
Gray Slate
Blue Sky
Red Cherry
Purple Plum
Yellow Mineral
N Comfort+ memory foam cushion
N Safe+™ easy adjust 12 position headrest with 22% increase in range
N Safe+™ steel core
N Safe+™ headrest with built in side impact protection
N Safe+™ side Impact protection with extended sidewalls
N Safe+™ steel anti-rebound bar
N Safe+™ 2-in-1 infant positioning liner
N Safe+™ newborn travel high wedge
N Safe+™ side impact tested
N Safe+™ roll over tested
What’s the difference between the 3QXT and 3QX?
| radian® 3QX | radian® 3QXT | |
| Comfort+ memory foam cushion | N | N |
| Safe+™ easy adjust 12 position headrest with 22% increase in range | N | N |
| Safe+™ steel core | N | N |
| Safe+™ headrest with built in side impact protection | N | N |
| Safe+™ side Impact protection with extended sidewalls | N | N |
| Safe+™ steel anti-rebound bar | N | N |
| Safe+™ 2-in-1 infant positioning liner | N | N |
| Safe+™ newborn travel high wedge | N | N |
| Safe+™ side impact tested | N | N |
| Safe+™ roll over tested | N | N |
| Safe+™ tested using 2x impact force required by US FMVSS 213 | N | |
| Safe+™ rear impact tested | N | |
| Safe+™ side impact management pod | N | |
| Safe+™ newborn harness pads | N | |
| Safe+™ newborn protection insert | N |