Best Convertible Strollers | Single to Double Stroller Comparison

September 23, 2025

Stephanie Giustino

Convertible strollers come equipped with everything necessary for your first baby, with additional expansion pieces available separately to convert the stroller into a double configuration when your family grows. Although there are many strollers that offer this future-proof setup, we’ve narrowed down the list to our favorite best-in-class options that are sure to impress parents of one or two children alike. Read on to discover the best convertible strollers available today.

Our Top Convertible Stroller Picks

Why are convertible strollers so popular?

Convertible strollers are surging in popularity—but what exactly is a convertible stroller? Simply put, a convertible stroller is typically sold as a single stroller with the option to transform into a double stroller when needed. Considering the significant investment that comes with purchasing a quality stroller, it’s wise to think ahead and plan for potential future needs when buying your family’s first piece of baby gear.

While it can feel overwhelming enough to shop for baby number one, it might seem unthinkable to look so far ahead that you’re already considering the needs of a second child. However, spending a little extra time planning now can save you considerable effort and money down the road.

How We Chose the Best Convertible Strollers

At Bambi Baby, we’ve been helping new parents for over 40 years, and we understand just how quickly family needs can change as little ones arrive and grow. With our experience and industry know-how, we’re able to anticipate what parents are looking for at every stage. When choosing our top picks, we focused on strollers that meet the needs of your first baby while also making the transition to life with baby #2 as smooth as possible. Each option works beautifully as a single stroller and easily converts to carry two, so you’re ready for whatever comes next. We also included a range of styles and configurations to match different family routines and lifestyles—because every family is unique, and your stroller should be too.

Convertible Stroller Configurations: In-Line vs. Side-by-Side vs. Stacked

Before we dive into our top picks, it’s important to understand how convertible strollers actually transform to accommodate two seated children. There are three primary configurations: in-line, side-by-side, and stacked. Each configuration involves adding a second (or sibling) seat to create a double stroller setup:

In-Line:
- How it works: An additional seat is added to the front or lower position of the stroller frame.
- Advantages: Narrower footprint; offers many achievable seating configurations; maintains full access to the storage basket even in double mode.
- Drawback: Requires more effort to turn and steer when used as a double.
- Models: Bugaboo Kangaroo, Cybex eGazelle S , UPPAbaby Vista V3, Veer Switchback&Roll

Side-by-Side:
- How it works: The frame expands horizontally to accommodate a second seat next to the first, creating a double stroller with both children seated side by side.
- Advantages: Allows effortless bonding between both children; keeps both within immediate sight and reach; provides full access to the storage basket; remains easy to turn and maneuver even as a double.
- Drawback: Wider, though not significantly wider than in-line or stacked options.
- Model: Bugaboo Donkey 5

Stacked:
- How it works: A second seat is positioned beneath the primary seat to form a double stroller with a vertical “stacked” seating arrangement.
- Advantages: Overall smaller footprint compared to many double stroller models; excellent maneuverability; keeps both children within arm’s reach and clear view.
- Drawbacks: Loss of storage basket space in double mode, as the second seat occupies the undercarriage area.
- Model: Nuna DEMI Next

Pro Tips:

Families who prioritize maneuverability should consider a stacked configuration.
Families seeking the most versatile seating options should opt for an in-line model.
Families unwilling to sacrifice storage space will find in-line or side-by-side configurations the best fit.

Each configuration has its own unique advantages, so when exploring convertible strollers, it’s essential to consider how each model transitions into a double and how that new setup will fit with your growing family’s needs. Now that we’ve laid the foundation for understanding convertible stroller configurations, let’s dive into where each of these models standout.

Best Single-to-Double Strollers

Cybex eGazelle S: Most Innovative

The Cybex eGazelle S is the most innovative option on our list—and arguably the most innovative stroller sold worldwide. Tech-loving families will be wowed by its revolutionary design, featuring push assist and a built-in rocking function. Sensors in the handlebar detect when you’re putting in extra effort, automatically activating the stroller’s integrated motor to help you push uphill or over rough terrain. Finally arrived and need a quick hands-off break? With the push of a button, the eGazelle’s Rocking function gently soothes your baby for you. And that’s not all—it also includes a shopping tote for extra storage when in single stroller mode, offers the most compact fold of all the models on our list, and comes with infant car seat adapters for seamless travel system use.

Why We Love It

Revolutionary tech
Push assist
Rocking mode
Included shopping basket
Included car seat adapter
Easy to use one-pull harness

Cybex eGazelle S Full Feature List:

Accommodates two infant car seats
Accommodates two cots
Accommodates two seated children
20+ configurations
Push assist
Rocking mode
Advanced front wheel and rear frame suspension
Reversible reclining seat
Integrated height adjustable seat adapters
One-pull harness
Adjustable footrest
XXL UPF50+ sun canopy with mesh window
Spacious under carriage basket
Included shopping basket for single stroller use
Height adjustable handlebar

Cybex eGazelle S Specs and Dimensions:

Recommended Use: Seat from 3 months to 50 lbs from birth with car or infant car seat
Weight: 32.4 lbs
Folded Dimensions: 32.3 x 26 x 15.3"
Open Dimensions: 37.2 x 26 x 43.3"
Storage Capacity: 55 lbs (30 lbs in under-carriage basket, 25 lbs in shopping basket in single configuration)
What's included: Stroller, seat unit, shopping basket, bumper bar, cup holder, car seat adapter, rain cover, battery pack and charger
Warranty: 2 years

Cybex eGazelle S Accessories:

Bugaboo Donkey 5: Best Engineering

The Bugaboo Donkey 5 is in a class of its own. It’s the only convertible stroller that expands horizontally into a side-by-side double—and it’s also the most seasoned model in the Bugaboo lineup, serving families for over a decade. Talk about tried and true! Out of the box, the mono configuration includes a bassinet, toddler seat, and side luggage basket. That side luggage basket is a parent favorite, offering easy-access storage and contributing to the stroller’s impressive 44 lbs total storage capacity. (The Donkey really lives up to its name!) Converting to Duo mode is effortless—no adapters needed. Simply expand the frame and add the second seat. The Bugaboo Donkey is a top choice for twins or for parents looking for excellent performance and smooth steering.

Why We Love It

Converts to side-by-side double
Bassinet included
Effortless steering
Side luggage basket included
Best choice for twins

Bugaboo Donkey 5 Full Feature List:

Converts to a double with Duo extension set
Large total storage up to 44 lbs
Easy to maneuver on all terrains
Breezy bassinet with aerated mattress
Large extendable UPF 50+ sun canopy
Reversible and reclinable seat
Adjustable five-point safety harness
Height adjustable handlebar
One-piece self-standing fold or two-piece compact fold
Car seat compatible (adapters needed)

Bugaboo Donkey 5 Specs and Dimensions:

Recommended Use: Birth to 50 lbs
Weight: 32.1 lbs
Folded Dimensions: 20.5 x 23.6 x 35.4"
Open Dimensions: 41.7 x 23.6 x 43.7"
Storage Capacity: 44 lbs (22 lbs in under-carriage basket, 22 lbs in side luggage basket)
What's included: Stroller, seat fabric, bassinet fabric and mattress, side-luggage basket, bumper bar, seat rain cover
Warranty: 2 years standard warranty, 4 years if registered with Bugaboo

Bugaboo Donkey 5 Accessories:

Bugaboo Kangaroo: Best for Newborns

Bugaboo has built its reputation on exceptional engineering, performance, and quality. While the Bugaboo Kangaroo is a newer release without the long history of the Donkey, it’s already living up to the Bugaboo name. Instead of expanding side-by-side like the Donkey, the Kangaroo converts to an in-line tandem stroller, with a sibling seat added in front of the main seat. Parents can choose from over 20 different configurations to suit their family’s needs. Plus, it comes with a bassinet and infant car seat adapters included—so you’re ready for every adventure right from the day your first little one comes home.

Why We Love It

Bassinet included
Elevated bassinet/seat option
Tall toddler seat with plenty of room for growth
Infant car seat adapter included
One handed fold

Bugaboo Kangaroo Full Feature List:

XL wheels and optimal suspension system
Convertible to a tandem stroller with sibling seat (sold separately)
20+ Configurations
One-hand fold with a self-standing design
Height adjustable handlebar
Reclining, reversible seat
XL underseat basket holds 28.6 lbs
Spacious bassinet with breezy panels
PureBreeze™ mattress with antibacterial technology
High padded seat with adjustable footrest
Extendable, height-adjustable sun canopy
Car seat compatible (adapters included)
100% vegetarian leather handlebar grips
Made with bio-based material for a lower environmental impact
Total CO2 footprint of 273 lbs (124 kg), a reduction of 16% to date

Bugaboo Kangaroo Specs and Dimensions:

Recommended Use: Birth to 50 lbs
Weight: 28.7 lbs
Folded Dimensions: 19.6 x 24.4 x 38.1"
Open Dimensions: 39.3 x 24.4 x 44.49"
Storage Capacity: 28.6 lbs
What's included: Stroller, seat fabric, bassinet fabric and mattress, bumper bar, infant car seat adapters
Warranty: 2 years standard warranty, 4 years if registered with Bugaboo

Bugaboo Kangaroo Accessories:

Nuna DEMI Next: Best for Nuna PIPA Infant Car Seats

If you’re expecting your first baby, chances are you already have a Nuna PIPA Series infant car seat on your registry. And if you’re shopping for a double, you might even have one tucked away, ready to reuse with baby #2. Either way, you’ll want a stroller that’s PIPA-compatible—and the Nuna DEMI Next is the perfect match. The Demi Next comes equipped with two infant car seat adapters, making it a great fit for twins or simply giving you a backup set (because life happens). Its included ride-on board makes it especially versatile for parents juggling a newborn and an older sibling. While the PIPA car seat put Nuna on the map, their strollers quickly became just as beloved. The DEMI Next is packed with Nuna’s signature premium touches, from a magnetic buckle to an integrated privacy drape and bug net tucked into its UPF 50+ canopy, plus an all-season mesh-lined seat. Stylish, practical, and built to last—this stroller checks every box.

Nuna DEMI Next with PIPA and Sibling Seat

Why We Love It

Converts to stacked configuration
Great for twins
Two infant car seat adapters included
Rider board included
Integrated bug shield
Elevated seat
Large storage capacity
GREENGUARD Gold Certified

Nuna DEMI Next Full Feature List:

Accommodates two bassinets
Accommodates two seated children
Accommodates two infant car seats
Two infant car seat adapters included
Reversible Reclining seat
Custom dual suspension
Wide, swivel-lock front wheels
One-hand adjustable calf support and footrest
Self-guiding MagneTech secure snap™ buckles automatically lock into place
Quick-release 3 to 5-point no-rethread harness
Easily removable premium Merino wool insert
Elevated seat level
Rotating and removable armbar
Water-repellent UPF 50+ Aire protect canopy
Built-in privacy drape/bug shield with ventilation panels
All-season seat
All-terrain, foam filled tires
Fenders and built-in hub caps
One-touch rear-wheel braking system
Large basket with 22 lb capacity
Height adjustable handle bar (great for tall parents adjusts to 43")
Included rain cover
Included ride-on-board
Compatible with the DEMI next sibling seat and DEMI next bassinet
Over 20 achievable configurations

Nuna DEMI Next Specs and Dimensions:

Recommended Use: Birth to 50 lbs
Weight: 26 lbs
Folded Dimensions: 23.5 x 24 x 35"
Open Dimensions: 39.5 x 24 x 49"
Storage Capacity: 22 lbs
What's included: Stroller, stroller seat with integrated bug shield and arm bar, two infant car seat adapters, ride-on-board, stroller rain cover
Warranty: 2 years

Nuna DEMI Next Accessories:

UPPAbaby Vista V3: Best Value

UPPAbaby has become a household name in baby gear—largely thanks to the popularity of the Vista. (We wouldn’t be surprised if it’s the stroller your sister, cousin, best friend, or neighbor already has!) Expecting parents spot them everywhere, and for good reason. The Vista is loved for its parent-friendly features, easy-to-use design, rugged performance, and extra-large storage basket with a 30 lb weight capacity. It’s built to go wherever your family goes—and ready to transition to a double when the time comes. Unlike earlier models, the UPPAbaby Vista V3 no longer includes a bassinet by default. Instead, UPPAbaby now offers it as an add-on, making the V3 flexible for parents upgrading to a premium double for a toddler and infant, or building their baby gear collection from the ground up. With a wide assortment of accessories available, the Vista V3 is ready to adapt and grow with your family.

Why We Love It

GREENGUARD Gold Certified
Reliable Performance
Adapter-less connection with UPPAbaby Infant Car Seats
Large storage basket

UPPAbaby Vista V3 Full Feature List:

All-Weather Comfort Seat with Seasonal Seat Liner for cooler days or converts to mesh for warmer days
Enhanced FlexRide Strolling Suspension delivers a smooth ride whether strolling with 1, 2, or 3
Quick-to-secure harness system with magnetic buckle and easy-to-adjust, no-rethread harness
Parent-facing and forward-facing full size, toddler seat grows with child up to 50 lbs
Effortlessly folds in one simple step & stands when folded for compact storage
Extendable, water-repellent UPF 50+ canopy and easy-to-peek window for added air flow
Extra-large, easy-access basket with 30 lb. weight limit to easily store all your essentials while strolling
Premium fabrics and full-grain REACH certified leather details
Never flat tires for durability and smooth strolling through various terrain
Reflective trims on wheels and basket to enhance visibility while strolling
Ability to transport up to three children with RumbleSeat and PiggyBack accessories
One-handed multi-position recline for those “resting strolls”
One-hand, adjustable handlebar to better accommodate different heights
Front wheel locks with visual indicators for parent’s piece of mind
Adjustable footrest positions feet and legs comfortably as they grow
Directly compatible with UPPAbaby Infant Car Seats
GREENGUARD Gold certified to support healthier air quality & low chemical emissions

UPPAbaby Vista V3 Specs and Dimensions:

Recommended Use: From 3 months to 50 lbs
Weight: 27.6 lbs
Folded Dimensions: 16.3 x 25.7 x 33.8″
Open Dimensions: 36.5 x 25.7 x 39.5″
Storage Capacity: 30 lbs
What's included: Stroller, seat bug net, seat rain cover, seasonal seat liner, seat storage bag, bumper bar
Warranty: 3 years

UPPAbaby Vista V3 Accessories:

*For more reading on converting the UPPAbaby Vista refer to >>> Everything You Need To Know About The UPPAbaby Vista | Vista Adapter Guide

Veer Switchback &Roll: Best for All-Terrain

Veer is a brand built for adventure. If you love exploring the outdoors and want to carry that lifestyle into parenthood, Veer is for you! The star of the show is the Switchback Seat. Not only does it serve as the main stroller seat, but you can also purchase another to add onto the &Roll frame when converting to a double. The Switchback Seat is the only stroller seat that includes built-in shock absorption, keeping your little one comfortable even on rough trails. It’s also incredibly versatile—doubling as a portable highchair, bike seat, or even a camping chair (with a few extra accessories). The &Roll frame delivers true all-terrain performance, whether you’re hitting the beach or trekking muddy hiking trails. And when you get home? From frame to fabric, the whole stroller is hose-down ready. Adventure and parenthood unite with the Veer Switchback&Roll.

Why We Love It

All-terrain Performance
Impact absorbing seats
Hose washable design
Switchback Seat offers versatile mult-purpose use
One handed fold

Veer Switchback &Roll Full Feature List:

Converts to a double with addition of second seat
All-terrain Performance
Reversible, Reclining Seat
Bumper bar
Built-in straps in Switchback Seat to detach and use as instant mealtime booster
Dual seat dampeners for impact absorption
Exoskeleton seat bottom and back absorbs impact
Cozy, machine or hose washable softgoods
Extra extendable high canopy with peak-a-boo window and pop-out sun visor
One-click, 3 position calf support
One-handed open and fold
Soft, supple Napa leather
Hose washable, robotically welded aluminum frame
Tunable rear shocks
Dual front suspension
XL never-flat tires that absorb bumps
XL storage basket with zipper pouches
Adjustable handle height
Infant Car Seat Compatible (adapter sold separately)

Veer Switchback&Roll Specs and Dimensions:

Recommended Use: up to 50 lbs
Weight: 28.75 lbs
Folded Dimensions: 36 x 23.6 x 15"
Open Dimensions: 34 x 25.5 x 44"
Storage Capacity: 30 lbs
What's included: Stroller frame / Switchback seat included bumper bar
Warranty: 2 years

Veer Switchback&Roll Accessories:

*For more reading on Veer Switchback Systems refer to >>> Everything You Need To Know About The Veer Switchback Seat

FAQs About Convertible Strollers

Bugaboo Donkey Twin and Nuna DEMI Next Twin

Do I need a convertible stroller?

We recommend convertible strollers for three main reasons:

If you’re expecting your first baby and plan to have more children, a convertible stroller is a smart long-term investment.
If you’re upgrading your stroller lineup and need a premium double stroller, a convertible model gives you flexibility and value.
If you're expecting twins!

Can convertible strollers be used from birth?

Yes! A stroller is considered newborn-ready if it has a fully reclining seat or allows you to attach a compatible bassinet or infant car seat. All the strollers on our list can be used from birth, though some require additional purchases.

Cybex Gazelle S: Includes car seat adapters. Works from birth with an infant car seat or optional Gazelle Cot.
Bugaboo Donkey 5: Comes with a bassinet. Infant car seat adapters are sold separately.
Bugaboo Kangaroo: Includes both a bassinet and infant car seat adapters.
Nuna DEMI Next: Includes car seat adapters. Compatible bassinet and infant car seats are sold separately.
UPPAbaby Vista V3: Bassinet, Infant Snug Seat, and car seat adapters are sold separately.
Veer Switchback & Roll: Bassinet and car seat adapters are sold separately.

Are infant car seat adapters needed to use a convertible stroller as a travel system?

It depends on the stroller. Most models require adapters, even if you’re using the same brand of car seat. A few call-outs:

The Cybex Gazelle, Bugaboo Kangaroo, and Nuna DEMI Next include car seat adapters with purchase.
The UPPAbaby Vista works directly with UPPAbaby infant car seats, so adapters aren’t needed.

Do convertible strollers come with everything needed to use as both a single and a double stroller?

Not usually. Most convertible strollers are sold as single strollers, with conversion kits and accessories sold separately. Some retailers bundle “double” packages online, but those conversion pieces will still come boxed separately and add to the cost.

Are adapters needed to convert my stroller from a single to a double configuration?

Set-ups vary and It depends on the model. Examples:

Bugaboo Donkey and Nuna DEMI Next do not require extra adapters. Their frames have built-in connection points for second seats.
UPPAbaby Vista requires at least one set of adapters to convert to double mode.

When should I buy conversion pieces for my stroller?

We recommend purchasing conversion pieces when you buy your stroller or adding them to your baby registry. Brands occasionally update designs, colors, or discontinue models, so it’s best to secure the parts you’ll need before they become hard to find. If you prefer to wait, check in periodically to ensure availability.

What's the difference between a convertible stroller and double stroller?

Convertible strollers start as singles but can transform into doubles with add-on seats or accessories, while double strollers are always built to carry two from the start and can not be taken down to a single stroller size.

Can I use a convertible stroller for twins?

Yes! Most convertible strollers can accommodate two infant car seats simultaneously, making them an excellent choice for twins. Opt for models, like the Bugaboo Donkey or Nuna DEMI Next, which each keep both babies within arms reach.

What accessories should I buy with my convertible stroller?

Common must-haves include bassinets, infant car seat adapters, second seats, ride-on boards for older siblings, rain covers, snack trays and cup holders.

What is the best convertible stroller?

There’s no one-size-fits-all answer—the best stroller depends on your family’s lifestyle, budget, and preferences. Whether you need rugged all-terrain performance, a compact fold, or extra-large storage, there’s a model that will fit your needs perfectly.

Are convertible strollers worth it?

Yes, for many families. While convertible strollers often come with a higher price tag, they offer long-term value. They’re designed to grow with your family, are feature-packed, and can serve you for years through multiple children.

Resources For Learning about Strollers and Baby Gear

Continuing learning and reading with these recommended articles:

Why should you trust Bambi Baby?

At Bambi Baby, our decades-long commitment to quality and customer satisfaction has established us as a trusted authority in the baby products' industry. With over 40 years of experience, we have developed a deep understanding of what parents require when choosing the perfect gear. Our expert team is dedicated to guiding you through this important decision with personalized recommendations, ensuring that the gear you pick perfectly matches your lifestyle and needs.

Still have questions?

Bambi Baby experts are ready to connect! If you have any more questions regarding the convertible strollers, you can reach us at cs@bambibaby.com or chat with us on our website. We would love to hear from you!

We would also love to see you in store! Feel free to visit any of our store locations in New York, New Jersey, or Miami if you prefer personalized assistance from one of our experts. We're here to ensure you find the perfect gear for your baby with confidence and ease.