Sirona S › fit in › Toyota Highlander
Will the Cybex Sirona S fit in a 2020–2024 Toyota Highlander?
Yes — the Cybex Sirona S fits a 2020–2024 Toyota Highlander.
The Sirona S is about 17" wide; the Highlander's usable rear bench is about 52". It fits one rear position comfortably. Three even fit across the back (51" needed vs 52").
The Sirona S is about 17" wide; the Highlander's usable rear bench is about 52". It fits one rear position comfortably. Three even fit across the back (51" needed vs 52").
17"Sirona S width
52"Highlander rear bench
Yesthree across
★★★★★NHTSA Ease-of-Use
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What fits this Highlander
- One seat, rear position: Yes. The Sirona S installs in an outboard rear position of a 2020–2024 Toyota Highlander with room to spare.
- Three across: Yes — three need ~51" against a ~52" bench. Test-fit; three-across is decided by half-inches.
- Modes this seat covers: rear-facing → forward-facing.
- LATCH: lower anchors up to 35 lb; the Highlander has 2 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 Sirona S's width (Cybex published spec (~17 in at base; approximate)) and the Highlander's rear-bench width (Toyota dimensions + owner measurements (approx)) are both approximate — confirm with a test-fit before buying.
Common questions
Will the Cybex Sirona S fit in a 2020–2024 Toyota Highlander?
Yes — the Cybex Sirona S (17" wide) fits a single rear seating position in a 2020–2024 Toyota Highlander. Three of them also fit across its roughly 52" rear bench.
Can you fit three Sirona Ss across a Highlander?
Yes — three Sirona Ss need about 51" and the Highlander's usable bench is about 52". 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.