Both are all-in-one car seats — here are their published manufacturer specs side by side.
This compares published manufacturer specs — not safety or fit advice. The seat's manual, your vehicle's manual, NHTSA's tools and a certified CPST are the fit-and-safety authority; always check them before installing.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Weight ranges are the manufacturer's published limits across all modes.
How they differ
both list the same documented features for the all-in-one stage — the choice comes down to brand, price and your vehicle's fit (check both manuals)
Published limits
Mode
Maxi-Cosi Magellan LiftFit
Nuna EXEC
Rear-facing
5–40 lb
5–50 lb
Forward-facing harness
22–65 lb · 29–49 in
25–65 lb
Booster (with back)
40–100 lb · 43–57 in
40–120 lb · 4+ yrs
Useful life
12 yrs from manufacture
10 yrs from manufacture
Maxi-Cosi Magellan LiftFit: All-in-one (rear-facing → forward-facing harness → high-back belt-positioning booster; no backless mode found in manual). FAA-certified for aircraft use with the internal harness (per manual). Forward-facing requires at least 1 year old. Useful-life figure (12 years) was on an image-only page of the manual PDF not machine-readable in this environment — cross-verified via safeintheseat.com, a CPST-authored car-seat safety review site, whose independently quoted RF/FF/booster numbers matched the manual's own printed table exactly.
Nuna EXEC: All-in-one (rear-facing → forward-facing harness → high-back booster; no backless mode found in manual). Manual gives ONE overall height ceiling for the whole seat — 57″ (145 cm) or less — not split by mode. Forward-facing recommended at 2 years or older; booster at 4 years or older. Do not use if more than 10 years old (printed number, per manual).
That is the record of the brand — not a verdict on these models. A recall names specific models and manufacture-date ranges, and a seat missing from the record is not "recall-free": check nhtsa.gov/recalls with the model and date of manufacture on your seat's label. Source: NHTSA, retrieved 2026-09-05.
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FAQ
What's the difference between the Maxi-Cosi Magellan LiftFit and the Nuna EXEC? The Maxi-Cosi Magellan LiftFit is extended rear-facing, FAA-approved for aircraft; the Nuna EXEC is extended rear-facing, FAA-approved for aircraft. Both are all-in-one car seats.
Which is right for my car and child, the Maxi-Cosi Magellan LiftFit or the Nuna EXEC? That depends on your specific vehicle and child — this page compares published manufacturer specs only, not fit or safety. Check the seat manual, your vehicle manual, NHTSA's car-seat finder and ideally a certified CPST before deciding.
Citing these specs? Go ahead — published manufacturer data, last verified 2026-06-11. Copy a ready-made reference: