UPPAbaby Kona vs Valco Baby Ultra S2
The Ultra S2 is 5 lb lighter. The Ultra S2 lists for $75.04 less. The Kona folds smaller (3.3 vs 5.6 cu ft).
Only the differences are shown.
| UPPAbaby Kona | Valco Baby Ultra S2 | |
|---|---|---|
| List price | $649.99 | $574.95Lowest price |
| Weight | 22 lb | 17 lbLightest |
| Folded size | 10.3 × 20.7 × 27.1 in3.3 cu ftSmallest fold | 30 × 21.5 × 15 in5.6 cu ft |
| Open size | 33.6 × 21 × 38 in | 30 × 21.5 × 41.5 in |
| Seat holds up to | 50 lbHolds the most | 45 lb |
| Child height up to | 40 in | Not listed |
| From birth? | Yes, with bassinet (sold separately) | Yes, with bassinet (sold separately) |
| Seat size | Not listed | 12 in wide, 19 in seat back |
| Seat recline | Near-flat | Near-flat |
| Seat faces you or the world | Yes | Yes |
| One-hand fold | Yes | Yes |
| Stands when folded | Yes | Not listed |
| Fits airline overhead bin | No | Not listed |
| Converts to a double | No | No |
| Basket | 30 lb, Oversized basket; canopy pocket max 1 lb (manual) | 33 lb, Basket 16 x 10.5 x 19 in (W x H x L)Biggest basket |
| Car seats | UPPAbaby Aria V2 and Mesa V3 without adapters; Maxi-Cosi, Nuna, Cybex with adapters | Not listed |
| Car seat adapters | Not listed | Valco car seat adapter (sold separately; maker: 'Car seat compatible - Yes (adapter sold separately)') |
| Folds with the seat on | Yes | Yes |
| Brake | Foot brake | Not listed |
| In the box | Stroller, toddler seat rain shield, toddler seat bug shield (bumper bar included per feature list) | Removable belly bar, bassinet-style cover (built-in newborn cocoon footrest) |
| Warranty | 3 years | 1 year |
| Released | 2026 | 2026 |
| Handlebar height | Adjustable | 41.5 in |
| Wheels and suspension | 7 in front, 9 in rear, with independent suspension | Standard EVA |
| Canopy | Extendable UPF 50+ with ventilation and peek-a-boo window | 3-stage extending scalloped canopy, UPF 50+, peek-a-boo window |
UPPAbaby Kona
A new mid-size UPPAbaby stroller that folds small with one hand and works from birth in its flattest recline. Good for city families who want a lighter everyday stroller.
- Light at about 22 lb
- One-hand fold with seat on, either direction
- 30 lb basket
- Bassinet sold separately
- Adapters needed for non-UPPAbaby car seats
Kona or Ultra S2?
Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.
Which is lighter, the Kona or the Ultra S2?
The Valco Baby Ultra S2 weighs 17 lb, 5 lb less than the UPPAbaby Kona (22 lb).
Which folds smaller, the Kona or the Ultra S2?
The Kona folds to about 3.3 cubic feet, versus 5.6 for the Ultra S2.
Is the Ultra S2 cheaper than the Kona?
Yes. The Ultra S2 lists for $574.95 and the Kona for $649.99, a $75.04 difference. Sale prices change often.
Can both be used from birth?
Kona: Yes, with bassinet (sold separately). Ultra S2: Yes, with bassinet (sold separately).
Which one lasts longer?
The Kona seat holds more: 50 lb versus 45 lb.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

