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 KonaValco Baby Ultra S2
List price$649.99$574.95Lowest price
Weight22 lb17 lbLightest
Folded size10.3 × 20.7 × 27.1 in3.3 cu ftSmallest fold30 × 21.5 × 15 in5.6 cu ft
Open size33.6 × 21 × 38 in30 × 21.5 × 41.5 in
Seat holds up to50 lbHolds the most45 lb
Child height up to40 inNot listed
From birth?Yes, with bassinet (sold separately)Yes, with bassinet (sold separately)
Seat sizeNot listed12 in wide, 19 in seat back
Seat reclineNear-flatNear-flat
Seat faces you or the worldYesYes
One-hand foldYesYes
Stands when foldedYesNot listed
Fits airline overhead binNoNot listed
Converts to a doubleNoNo
Basket30 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 seatsUPPAbaby Aria V2 and Mesa V3 without adapters; Maxi-Cosi, Nuna, Cybex with adaptersNot listed
Car seat adaptersNot listedValco car seat adapter (sold separately; maker: 'Car seat compatible - Yes (adapter sold separately)')
Folds with the seat onYesYes
BrakeFoot brakeNot listed
In the boxStroller, 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)
Warranty3 years1 year
Released20262026
Handlebar heightAdjustable41.5 in
Wheels and suspension7 in front, 9 in rear, with independent suspensionStandard EVA
CanopyExtendable UPF 50+ with ventilation and peek-a-boo window3-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

Valco Baby Ultra S2

    Ask the meadow

    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.