Nuna car seats

11 Nuna models listed in the US: 4 infant seats, 4 convertible seats, 1 all-in-one seat, 1 harness-to-booster seat, 1 2-in-1 booster. Limits and specifications were checked against Nuna’s US site and manuals on September 17, 2026. Nuna US site (opens in a new tab)

Nuna car seat comparison table

Nuna car seats compared: limits by mode, width, seat weight and usable life
Car seat	Fits child (lb)	Rear-facingRear	Forward-facingForward	WidthWidth	Seat weightWeight	Usable lifeLife	Aircraft
AACE booster seat2-in-1 booster	40–120 lb	Not published	Not published	Not published	15.6 lb	10 yr	No
EXEC nextAll-in-one	5–110 lb	50 lb	65 lb	Not published	26.8 lb	10 yr	Certified
LUMN combinationHarness-to-booster	30–110 lb	Not published	65 lb	18.25 in	26.2 lb	10 yr	Certified
RAVA nextConvertible	5–65 lb	50 lb	65 lb	Not published	26.5 lb	10 yr	Certified
RAVAConvertible	5–65 lb	50 lb	65 lb	19 in	27.9 lb	10 yr	Certified
REVV maxxRotating convertible	5–65 lb	40 lb	65 lb	Not published	30.6 lb	10 yr	No
REVVRotating convertible	5–40 lb	30 lb	40 lb	18.5 in	29.7 lb	10 yr	No
PIPA aireInfant	4–30 lb	30 lb	Not published	17.5 in	6 lb (lightest in this table)	Not published	Certified
PIPA aire rxInfant	4–30 lb	30 lb	Not published	17.5 in	6.2 lb	Not published	Certified
PIPA rxInfant	4–30 lb	30 lb	Not published	17.5 in	7.6 lb	Not published	Certified
PIPA urbnInfant	4–30 lb	30 lb	Not published	17.5 in	7 lb	Not published	Certified

Limits and specifications are each manufacturer’s own, checked September 17, 2026. A dash means the maker does not publish that number. A highlighted number is simply the highest or lowest value in this table, not a recommendation.

All Nuna models

Fit my childWeight (lb)Height (in)Age (years)

Shows models with at least one mode whose published limits include all of these numbers. A mode with no published minimum age is not excluded by age. Always check every limit in the manual.

RotatingFAA approvedLoad legAnti-rebound

11 of 11 models

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2-in-1 booster

AACE booster seat

Manufacturer limits for Nuna AACE booster seat
Mode	Weight	Height
High-back boosterfrom 4 years	40–110 lb	43–60 in
Backless boosterfrom 5 years	50–120 lb	43–60 in

Seat weight: 15.6 lb
Width: Not published
Usable life: 10 years
Aircraft: Not certified

6 colors

Full details Manual

All-in-one

EXEC next all-in-one car seat

Manufacturer limits for Nuna EXEC next all-in-one car seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harnessfrom 2 years	30–65 lb	34–49 in
Belt-positioning boosterfrom 4 years	40–110 lb	43–57 in

Seat weight: 26.8 lb
Width: Not published
Usable life: 10 years
Aircraft: Certified

Anti-rebound
7 colors

Full details Manual

Harness-to-booster

LUMN combination car seat

Manufacturer limits for Nuna LUMN combination car seat
Mode	Weight	Height
Forward-facing harnessfrom 2 years	30–65 lb	34–49 in
Belt-positioning boosterfrom 4 years	40–110 lb	43–57 in

Seat weight: 26.2 lb
Width: 18.25 in
Usable life: 10 years
Aircraft: Certified

4 colors

Full details Manual

Infant

PIPA aire infant car seat

Manufacturer limits for Nuna PIPA aire infant car seat
Mode	Weight	Height
Rear-facing infant	4–30 lb	16–30 in

Seat weight: 6 lb
Width: 17.5 in
Usable life: See label
Aircraft: Certified

Load leg
6 colors

Full details Manual

Infant

PIPA aire rx infant car seat

Manufacturer limits for Nuna PIPA aire rx infant car seat
Mode	Weight	Height
Rear-facing infant	4–30 lb	16–30 in

Seat weight: 6.2 lb
Width: 17.5 in
Usable life: See label
Aircraft: Certified

Load leg
12 colors

Full details Manual

Infant

PIPA rx infant car seat

Manufacturer limits for Nuna PIPA rx infant car seat
Mode	Weight	Height
Rear-facing infant	4–30 lb	16–30 in

Seat weight: 7.6 lb
Width: 17.5 in
Usable life: See label
Aircraft: Certified

Load leg
Anti-rebound
4 colors

Full details Manual

Infant

PIPA urbn infant car seat

Manufacturer limits for Nuna PIPA urbn infant car seat
Mode	Weight	Height
Rear-facing infant	4–30 lb	16–29 in

Seat weight: 7 lb
Width: 17.5 in
Usable life: See label
Aircraft: Certified

Full details Manual

Convertible

RAVA convertible car seat

Manufacturer limits for Nuna RAVA convertible car seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harnessfrom 2 years	30–65 lb	34–49 in

Seat weight: 27.9 lb
Width: 19 in
Usable life: 10 years
Aircraft: Certified

2 colors

Full details Manual

Convertible

RAVA next convertible car seat

Manufacturer limits for Nuna RAVA next convertible car seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harnessfrom 2 years	30–65 lb	34–49 in

Seat weight: 26.5 lb
Width: Not published
Usable life: 10 years
Aircraft: Certified

11 colors

Full details Manual

Rotating convertible

REVV maxx rotating convertible car seat

Manufacturer limits for Nuna REVV maxx rotating convertible car seat
Mode	Weight	Height
Rear-facing harness	5–40 lb	18–43 in
Forward-facing harness	30–65 lb	34–49 in

Seat weight: 30.6 lb
Width: Not published
Usable life: 10 years
Aircraft: Not certified

Anti-rebound
6 colors

Full details Manual

Rotating convertible

REVV rotating convertible car seat

Manufacturer limits for Nuna REVV rotating convertible car seat
Mode	Weight	Height
Rear-facing harness	5–30 lb	18–34 in
Forward-facing harnessfrom 2 years	30–40 lb	34–43 in

Seat weight: 29.7 lb
Width: 18.5 in
Usable life: 10 years
Aircraft: Not certified

Full details Manual

Limits and specifications come from each manufacturer’s US website and instruction manual. They are not a fit or safety verdict, and I have not hands-on tested these seats. Follow your seat’s own labels and manual. Amazon links are affiliate links. See my sources and limits.