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Key takeaways
- The MIXX next weighs 28.3 lb and the TRIV next 18.4 lb, but Nuna counts the TRIV's insert, arm bar and canopy (about 2.6 lb) outside that number, and the MIXX's arm bar and insert (about 0.7 lb) outside its own [1][2].
- The MIXX next has a true-flat five-position recline and a bassinet option. The TRIV next has a three-position recline, and Nuna suggests a PIPA infant seat until about 6 months [1][2].
- Both take Nuna PIPA infant seats with a ring adapter included, go to 50 lb and have the MagneTech magnetic buckle [1][2].
- The original MIXX (2019) was about 1.3 lb lighter than the MIXX next and folded to 16.5 x 34 in instead of 19 x 27.5 in, according to a Nuna retailer [3].
- We found no CPSC stroller recall for Nuna. Nuna has a 2016 high chair recall and a 2024 NHTSA campaign for the Rava car seat, which are separate products [6][7].
At a glance
Nuna MIXX next
Suits: Families who want a full-size stroller with a bassinet option and a true-flat recline for a newborn.
- Strength: True-flat, five-position one-hand recline
- Strength: Four modes: bassinet, PIPA infant seat, seat facing you or facing out
- Strength: Rear Free Flex and front progressive suspension
- Trade-off: 28.3 lb before the arm bar and insert
- Trade-off: Folded size is 27.5 x 23.6 x 19 in
- Trade-off: Bassinet is sold separately
Nuna TRIV next
Suits: City families who want a lighter, smaller-folding Nuna and will use a PIPA infant seat for the first months.
- Strength: 18.4 lb before the insert, arm bar and canopy
- Strength: Folds to 24 x 22.5 x 15 in and stands on its own
- Strength: Ring adapter included for PIPA seats; folds with the adapter on
- Trade-off: Three-position recline, not true-flat
- Trade-off: No bassinet option on Nuna's page
- Trade-off: Nuna suggests a PIPA infant seat until about 6 months
The MIXX next is Nuna's full-size stroller and the TRIV next is its compact one. The MIXX next has the true-flat recline and the bassinet option, and the TRIV next is about 10 lb lighter on paper and folds smaller [1][2]. The original MIXX, which people still buy used, differs from the MIXX next in weight, fold shape and wheels.
We don't test strollers or name a winner. This guide sets Nuna's own numbers side by side and says who each fits. For Nuna against UPPAbaby, see our UPPAbaby vs Nuna stroller comparison. Strollers must meet the federal rule, 16 CFR part 1227 [5].
MIXX next vs TRIV next: specs side by side
| Spec | MIXX next | TRIV next |
|---|---|---|
| Weight | 28.3 lb without arm bar and insert (about 0.7 lb more) | 18.4 lb without insert, arm bar and canopy (about 2.6 lb more) |
| Unfolded (L x W x H) | 32.7 x 23.6 x 45.3 in | 33.5 x 22.5 x 42.25 in |
| Folded (L x W x H) | 27.5 x 23.6 x 19 in; stands on its own | 24 x 22.5 x 15 in; stands on its own |
| Use | Birth to 50 lb | Up to 50 lb; PIPA infant seat suggested until about 6 months |
| Recline | Five-position, one hand, true-flat | Three-position, one hand, with adjustable calf support |
| Newborn options | Bassinet (sold separately), PIPA seat, or true-flat seat | PIPA seat via included ring adapter |
| Suspension | Rear Free Flex, front progressive | All-wheel, plus spring suspension under the seat |
| Seat | Faces you or faces out | Faces both ways |
| Buckle | MagneTech magnetic | MagneTech magnetic |
Nuna counts weight differently on the two pages, so the 10 lb gap shrinks a little when you add the extras. With the insert, arm bar and canopy, the TRIV next is about 21 lb. With the arm bar and insert, the MIXX next is about 29 lb [1][2]. Check the weight you will actually carry up the stairs.
Newborn use
The MIXX next is the better fit for the first weeks if you want your baby lying flat. Nuna lists a true-flat recline and four modes: a bassinet or a PIPA infant seat, or the seat facing you or facing out [1]. The bassinet is sold separately.
The TRIV next has no bassinet option on Nuna's page. Nuna says to use a PIPA series infant car seat until your child is about 6 months, then move to the stroller seat [2]. That works if you plan to carry your baby in an infant seat. See our Nuna car seat guide for the PIPA seats and our car seat and stroller combo guide for how seat and stroller pair.
The older Nuna MIXX
Nuna's page covers the MIXX next only, so the original comes from a Nuna retailer's comparison. It lists the original as released in 2019 and the MIXX next in fall 2020 [3].
| Spec | MIXX next | Original MIXX |
|---|---|---|
| Weight | 28.3 lb | 27 lb |
| Folded | 19 x 27.5 in | 16.5 x 34 in |
| Wheels | Foam-filled rubber on all wheels | Plastic EVA front wheels |
| Adapter and bassinet | Ring adapter included; bassinet separate | Same |
Source: Kidsland, a Nuna retailer [3].
That retailer's article and table disagree on the original's rear wheels, so we haven't leaned on that row. Nuna's current page lists the MagneTech magnetic buckle on the MIXX next [1]. A different retailer says the buckle was added in early 2021, after the late-2020 launch, so a first-run MIXX next may not have it. If you buy used, check the buckle, the model name on the frame and the manual.
Nuna DEMI grow
The questions people ask, such as Nuna DEMI vs MIXX, come down to a second child. Nuna's support page says the DEMI grow is rated birth to 50 lb and can be used as a single or a double stroller [4]. The MIXX next and TRIV next are single strollers.
Recalls and safety
We searched CPSC's database and our NHTSA extract on October 16, 2026. We found no CPSC recall of a Nuna stroller. Nuna recalled high chairs in 2016 for an arm bar that can bend or detach (16-100), and certain Rava car seats in a 2024 NHTSA campaign (24C-002) for a harness adjuster that can fail [6][7]. Those are different products. These are the recalls we found, not a promise about every recall, so check your model at SaferProducts.gov and see our stroller recall tracker. Use the harness every time.
Who each fits
The MIXX next fits you if:
- You want a full-size stroller with a true-flat recline and a bassinet option.
- You'll use it as your main stroller and don't mind a 19-inch-tall fold.
The TRIV next fits you if:
- You want the lighter, smaller Nuna for city use and trunks.
- You plan on a PIPA infant seat for the first months.
Where to buy
Nuna sells these strollers direct and through its dealers, and we found no Nuna stroller on Amazon. For other strollers, see our stroller guide.
Questions people ask
What is the difference between the Nuna MIXX next and TRIV next?
The MIXX next is the full-size model at 28.3 lb with a true-flat five-position recline and a bassinet option. The TRIV next is the compact model at 18.4 lb with a three-position recline and a 24 x 22.5 x 15 in fold. Both go to 50 lb and take PIPA infant seats.
Is the Nuna TRIV next good for a newborn?
Nuna says it can be used from birth to 50 lb, and recommends a PIPA series infant car seat until the child is about 6 months, then the stroller seat. The TRIV next has a three-position recline and no bassinet option on Nuna's page. The MIXX next adds a true-flat recline and a bassinet.
What is the difference between the Nuna MIXX and MIXX next?
A Nuna retailer lists the MIXX next as 28.3 lb (original 27 lb), shorter when folded (27.5 in vs 34 in long) but taller (19 in vs 16.5 in), and with foam-filled rubber on all wheels where the original had plastic EVA front wheels. Nuna's current page lists the MagneTech magnetic buckle on the MIXX next.
Does the Nuna MIXX next come with a car seat adapter?
Yes. Nuna says the ring adapter for PIPA series infant car seats is included, so the stroller works as a travel system when you add a PIPA seat. The bassinet is sold separately.
Nuna DEMI vs MIXX: which one takes a second child?
The DEMI grow. Nuna's support page says the DEMI grow is rated birth to 50 lb and can be used as a single or a double stroller. The MIXX next and TRIV next are single strollers.
Are Nuna strollers on Amazon?
We found no listing for the MIXX next or TRIV next on Amazon on October 16, 2026. Nuna sells through its own site and authorized dealers.
Sources
Numbers in brackets in the guide link to these sources.
- 1.mixx next StrollerNuna, 2026
- 2.TRIV next StrollerNuna, 2026
- 3.Nuna MIXX Next vs. Nuna MIXX StrollerKidsland (Nuna retailer), 2024
- 4.DEMI grow FAQNuna, 2026
- 5.Carriages and Strollers (16 CFR part 1227 business guidance)U.S. Consumer Product Safety Commission (CPSC), 2026
- 6.Nuna Baby Essentials Recalls High Chairs Due to Fall Hazard (16-100)U.S. Consumer Product Safety Commission (CPSC), 2016
- 7.NHTSA campaign 24C-002 (Nuna Rava car seats)National Highway Traffic Safety Administration (NHTSA), 2024
