Bringing home a second baby often raises a very practical question: single stroller or double? Here’s a neutral look at what actually differs, so the choice comes down to your family’s ages and routines rather than what everyone else seems to be using.
What’s the real difference between single and double strollers?
A single stroller carries one child and comes in many forms — compact umbrella strollers, full-size strollers, and travel systems that pair with an infant car seat. A double stroller carries two children at once, either side-by-side (two seats next to each other) or tandem (one seat in front of the other, sometimes at different heights).
Many families with two young children use a single stroller for the younger child paired with a separate solution for the older one — walking, a carrier, or a ride-along board attachment.
How do age gap and stage affect the decision?
| Close age gap (under ~3 years) | Wider age gap (~3+ years) | |
|---|---|---|
| Younger child | Needs a stroller seat | Needs a stroller seat |
| Older child | Often still tires on longer walks | Can usually walk, or use a ride-along board |
| Best fit | Double stroller often genuinely useful | Single stroller + ride-along or walking |
If you’re planning ahead for a second child, our sibling age gap calculator can help you see roughly how old your older child will be when the new baby arrives — useful context for this decision.
Side-by-side vs tandem: how do they compare?
- Side-by-side strollers give both children the same view and are usually easier to load evenly, but are noticeably wider — worth measuring your doorways, elevator, and car trunk before buying.
- Tandem strollers are narrower and fit through most standard doorways, but the back seat usually has a less interesting view, and steering can feel heavier with two kids’ weight stacked front-to-back.
Neither layout is objectively better — it comes down to where you’ll actually use it most.
What about cost?
Double strollers cost meaningfully more than single strollers, reflecting the extra frame, materials, and sometimes a heavier-duty undercarriage to handle two children’s weight. A single stroller plus a ride-along board attachment is usually the cheaper combined option, though it depends on the specific models compared.
Which is easier to store and maneuver?
Single strollers win clearly here — they’re lighter, narrower, and fold more compactly, which matters if you’re navigating public transit, tight sidewalks, or a smaller car trunk. Double strollers, especially side-by-side models, take up more storage space at home and can be noticeably heavier to lift in and out of a car. If you live somewhere with narrow stores, elevators or public transit doors, it’s worth test-pushing a double stroller through similar spaces before buying — width that seems fine in a showroom can feel very different on a crowded sidewalk or a tight elevator.
Do I need a double stroller for twins?
Almost always, yes. With twins, both babies typically need a seat at the same time from day one, so a double stroller (usually side-by-side, so both are equally accessible) is the practical choice for most families rather than an optional upgrade.
Does the age of your car seat matter?
If your younger child is still in an infant car seat, check whether the double stroller you’re considering accepts it directly (many side-by-side and tandem models are compatible with popular infant seat brands), since this lets you move a sleeping baby from car to stroller without waking them. Not every double stroller supports this, so it’s worth confirming before buying rather than assuming — some models only fit an infant seat on one side, which affects how you plan seating for two children.
What about resale and reuse for a future child?
Strollers are one of the few big-ticket baby items that often get reused for a third child or handed down. A well-maintained double stroller can be a practical long-term investment if you’re planning more children close in age, while a single stroller tends to hold its resale value well simply because there’s a bigger secondhand market for it. If you’re only weighing this purchase against a single upcoming sibling, that’s a smaller factor than day-to-day convenience — but it’s worth keeping in mind if you’re unsure how many children you’ll eventually be pushing around.
So which one should you choose?
- Choose a double stroller if your children are close in age and both regularly need a seat at the same time — including twins.
- Choose a single stroller plus a ride-along solution if your older child can walk reasonably well or is happy on a standing board, and you want to save on cost and storage space.
- Reassess as your children grow — many families start with a double stroller and switch to a single one plus a board once the older child no longer needs a seat.
Related reading
This article is for general information only and isn’t medical advice. Always follow the manufacturer’s weight limits and safety instructions for your specific stroller.