Radian 3QX › fit in › Ford F-150 SuperCrew
Will the Diono Radian 3QX fit in a 2015–2024 Ford F-150 SuperCrew?
Yes — the Diono Radian 3QX fits a 2015–2024 Ford F-150 SuperCrew.
The Radian 3QX is about 17" wide; the F-150 SuperCrew's usable rear bench is about 56". It fits one rear position comfortably. Three even fit across the back (51" needed vs 56").
The Radian 3QX is about 17" wide; the F-150 SuperCrew's usable rear bench is about 56". It fits one rear position comfortably. Three even fit across the back (51" needed vs 56").
17"Radian 3QX width
56"F-150 SuperCrew rear bench
Yesthree across
★★★☆☆NHTSA Ease-of-Use
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What fits this F-150 SuperCrew
- One seat, rear position: Yes. The Radian 3QX installs in an outboard rear position of a 2015–2024 Ford F-150 SuperCrew with room to spare.
- Three across: Yes — three need ~51" against a ~56" bench. Test-fit; three-across is decided by half-inches.
- Modes this seat covers: rear-facing → forward-facing → booster.
- LATCH: lower anchors up to 40 lb; the F-150 SuperCrew has 3 lower-anchor positions.
ℹ️ Informational only — built from NHTSA public car-seat ratings and published seat/vehicle dimensions. This is not a safety certification and not a substitute for the seat and vehicle manuals. Always confirm the fit and install yourself before every trip. The Radian 3QX's width (Diono published spec (steel-framed, 17 in)) and the F-150 SuperCrew's rear-bench width (Ford dimensions + owner measurements (approx); flat wide rear bench) are both approximate — confirm with a test-fit before buying.
Common questions
Will the Diono Radian 3QX fit in a 2015–2024 Ford F-150 SuperCrew?
Yes — the Diono Radian 3QX (17" wide) fits a single rear seating position in a 2015–2024 Ford F-150 SuperCrew. Three of them also fit across its roughly 56" rear bench.
Can you fit three Radian 3QXs across a F-150 SuperCrew?
Yes — three Radian 3QXs need about 51" and the F-150 SuperCrew's usable bench is about 56". It's close, so test-fit before buying.
Sources: seat ratings & modes — NHTSA (pulled 2026-06-17); dimensions — manufacturer specs and owner measurements. Informational only — built from NHTSA public car-seat ratings and published seat/vehicle dimensions. This is not a safety certification and not a substitute for the seat and vehicle manuals. Always confirm the fit and install yourself before every trip.