Britax Willow Brook S+ vs Cybex Gazelle S: Which Stroller?
A dad of two who's been through the stroller-buying gauntlet twice. I don't pretend to have tested every stroller — I research what parents actually report after months of real use, then tell you what holds up and what quietly disappoints.
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Search "Britax vs Cybex" and the fact that decides it usually goes unsaid: these two are not the same kind of purchase. The Britax Willow Brook S+ is a complete travel system, a stroller and a premium infant car seat in one box, at a mid-range price. The Cybex Gazelle S is a modular stroller with no car seat included, at a premium price, that grows into a double. For one baby and a complete from-birth setup, the Britax is the better and far cheaper buy once you price in the seat the Cybex leaves out. Choose the Cybex Gazelle S if you want a modular stroller that converts to a double and are happy to buy the car seat separately.
Quick Picks
More comparisons below — or jump to related guides.
The trap in this comparison is the sticker price. The Cybex looks like the premium option, and as a stroller it is, but it arrives without the car seat that the Britax includes. Add a Cybex-compatible infant seat and the real cost of a from-birth Cybex setup climbs well past the all-in Britax. Keep that in mind as you read: you are not comparing two like-for-like prices.
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Britax Willow Brook S+
The Britax is built around the car seat, and that is the right way to read the whole system. The Willow S infant seat is rear-facing from 4 to 30 lb and its headline feature is ClickTight. Most infant-seat bases install by wrestling a seatbelt tight and hoping you got it right. ClickTight replaces that with a knob: route the belt, close the base, turn until it clicks. Install anxiety is the single most common worry new parents have about a car seat, and Britax has quietly solved it. The Alpine base adds a ReboundReduce stability bar to limit rotation in a frontal crash, and the seat is side-impact tested to FMVSS 213a and verified by the Baby Safety Alliance.
Fabrics matter more here than they sound. Britax's SafeWash covers are naturally flame-retardant with no added FR chemicals, and they machine wash and dry. Flame-retardant chemistry in baby gear is something a lot of parents actively want to avoid, and it is genuinely hard to find at this price. That the Britax includes it as standard, in a complete system, is a real point in its favour.
Its Brook+ stroller is no afterthought either. Its seat reverses for four ride modes, parent-facing and world-facing in both infant and toddler configurations, and the frame carries a toddler up to 50 lb. All-wheel suspension and no-flat tires give it a smooth ride over cracked pavement and park paths, and it folds in one step. The included parent tray with two cupholders and a phone holder, plus a swing-away child snack tray, are extras you would usually buy on their own.
Living with it, the pitch is reassurance rather than novelty. The ClickTight base is the thing you set up once and stop thinking about, which is exactly what you want from a car seat. The no-flat tires and suspension turn a rutted path or a kerb drop into a non-event, and the reversible seat means a nervous newborn faces you while a curious one-year-old faces the world, from the same frame. It is not the flashiest stroller on the block, but it is the one that quietly does everything a single-child family needs from birth through the toddler years, without a second purchase.
The honest catch is that it is a single, and it stays a single. There is no expansion path to a double, so a second child sends you shopping again. The car seat also tops out at 30 lb rear-facing, and the frame, while capable, is more workmanlike than boutique. What you are buying is a complete, safe, sensibly priced system for one child, not a modular platform for a growing family.
Cybex Gazelle S
The Cybex Gazelle S comes at the problem from the opposite direction. It is not a travel system at all, it is a modular stroller, and its whole reason to exist is flexibility. Cybex quotes more than twenty configurations, and the headline is genuine: the same frame runs as a single, then adds a second seat to become a double when a second child arrives. For a family that is still growing, that is money not spent on a whole second stroller later.
Its signature trick is the shopper basket. The Gazelle S comes with a large removable basket that you can lift out and carry into a shop, then drop back on the frame, and that same position is where a second seat or a bassinet goes when you expand. It is a genuinely clever piece of design and one of the few things in this category that feels new rather than iterated. The seat reclines near flat, and the frame folds compactly even with one or two seats attached.
Living with it, the flexibility is the whole appeal. Run it as a single with the shopper basket for the first stretch, then when a second child arrives, lift the basket out and clip a second seat into its place, and the same stroller you already know how to fold and steer becomes a double. The kangaroo-style second position lets you mix an older toddler with a newborn car seat or bassinet, so the two children can face the way that suits their ages. That continuity, one frame you learn once and keep, is the practical payoff for the price, and it is real if your family is genuinely going to use it.
Where it gets expensive is the from-birth stage, because the Gazelle S does not include a car seat or a bassinet. The main seat is rated from 3 months up to 50 lb, so for a newborn you must add the Cybex Cot or a compatible infant car seat, and both are sold separately. The upside is compatibility: it includes adapters for Cybex car seats and works with Nuna and Maxi-Cosi infant seats, with adapters available for Chicco, Graco, Peg Perego and Britax. You can build the exact from-birth setup you want, you just pay for each piece.
The honest catch is cost and completeness. As a bare stroller the Gazelle S is already priced above the complete Britax system, and by the time you have added an infant car seat to make it newborn-ready, the gap is substantial. You are paying for the modular platform and the European design, and if you will use the double conversion, that can be worth it. If you will not, you are paying premium money for flexibility you never use.
Head-to-Head
| Britax Willow Brook S+ | Cybex Gazelle S | Winner | |
|---|---|---|---|
| Car seat included | Yes, premium ClickTight infant seat | No, sold separately | Britax Willow Brook S+ |
| Real cost for a from-birth setup | All-in, mid-range | Stroller plus a separate seat, premium | Britax Willow Brook S+ |
| Grows to a double | No, single only | Yes, 20-plus configs, adds a second seat | Cybex Gazelle S |
| Car-seat install and safety | ClickTight, anti-rebound Alpine base | Depends on the seat you add | Britax Willow Brook S+ |
| Fabric safety | SafeWash, no added flame-retardant chemicals | Standard fabrics | Britax Willow Brook S+ |
| Modular flexibility | Fixed single travel system | Shopper basket, swappable seats, bassinet option | Cybex Gazelle S |
| From-birth out of the box | Yes, car seat included | No, needs a Cot or car seat | Britax Willow Brook S+ |
| Stroller design and feel | Capable and practical | Premium modular European design | Cybex Gazelle S |
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What owners report
The two owner camps want different things, and it shows. Britax Willow Brook owners talk about install confidence first, almost every time. The word that recurs is "tight", as in the base finally feels tight, and parents who fought a previous seat's straps treat ClickTight as a small relief. The SafeWash fabrics come up next, usually from parents who went looking specifically for flame-retardant-free gear, and the value of getting a strong car seat inside the system price comes up constantly. The complaint is the ceiling: it is a single, and owners who had a second child wish it had grown with them.
Cybex Gazelle S owners talk about the modular flexibility and the shopper basket, which turns out to be more useful in daily life than it sounds, and about how well it steers as both a single and a double. The recurring gripe is exactly the one the price hides: it arrives without a car seat, and the from-birth setup costs more than people expect once the seat and adapters are added. Owners who bought it for the double conversion are the happiest, because they used the feature they paid for. Owners who bought it for one child sometimes wonder, quietly, whether they overspent.
On longevity both hold up well, as you would expect from two premium-leaning brands, but they reward different plans. The Britax is built to see one child from birth to the toddler years and then move on, and it does that job without drama. The Cybex is built to be kept and reconfigured across children, and its resale value on the used market is strong, which softens the real cost of ownership if you look after it and sell it on later. One more quiet point in the Cybex's favour: because it takes Nuna, Maxi-Cosi and, via adapters, Britax and Graco infant seats, you are not forced into a single brand's car seat, so you can pair it with a seat you already trust or one that fits your budget.
So which one should you actually buy? Strip away the configurations and it comes down to two questions: do you want a complete system for one baby at a sensible price, or a modular platform that grows to a double and are you willing to pay, and buy the car seat separately, to get it?
Where the money goes
This is the comparison where price framing matters most, because the two are not priced on the same basis. The Britax is a complete travel system: one price buys the stroller and a premium car seat with ClickTight and an anti-rebound base. Everything you need to leave the hospital is in the box. The Cybex is a bare stroller at a higher price, and the car seat that makes it newborn-ready is an extra purchase on top.
Run the real numbers in your head and the picture flips from the shelf impression. A from-birth Britax setup is the all-in mid-range price. A from-birth Cybex setup is the premium stroller price plus a separate infant seat plus adapters, which lands well above the Britax. The Cybex earns that premium only if you will use the double conversion or you specifically want the modular platform and the European design. If you are buying for one child and want a safe, complete, sensibly priced system, the Britax is the better spend by a clear margin, and the difference is not small.
Who should buy the Britax Willow Brook S+
Buy the Britax if you want a complete, safe, sensibly priced travel system for one baby. The included ClickTight car seat takes the guesswork out of a secure install, the anti-rebound Alpine base is real crash engineering, and the SafeWash fabrics answer the flame-retardant-chemical question a lot of parents are quietly asking. You get all of it in one box, at a price well below a from-birth Cybex setup.
It suits parents who: want the stroller and a strong car seat in a single purchase, rank car-seat install confidence and fabric safety highly, are buying for one child with no double on the horizon, or simply want the better value for a complete system.
Who should buy the Cybex Gazelle S
Buy the Cybex if you want a modular stroller that grows into a double and you are comfortable buying the car seat separately. The 20-plus configurations, the swappable shopper basket and the single-to-double conversion make it a genuine platform for a growing family, and the design is a cut above most of the field. Its compatibility with Nuna, Maxi-Cosi and, via adapters, Britax and Graco seats means you are not locked into the Cybex ecosystem for the infant stage.
It suits parents who: are planning for two children close together, want a premium modular stroller and the flexibility of the shopper-basket system, already own or want a specific compatible infant car seat, or value European design and are willing to pay for it. The shopper basket alone wins some parents over once they have used it for a supermarket run, and the freedom to pair almost any major infant seat means you can build the setup that suits you rather than the one a travel system dictates.
The honest case against each
Against the Britax Willow Brook S+: it is a single with no path to a second child, and the car seat tops out at 30 lb rear-facing. If two children are genuinely coming, its completeness for one baby will not outweigh the Cybex's ability to grow into a double. It is the right answer for one child, and the wrong one for a family expanding fast.
Against the Cybex Gazelle S: the price on the shelf is not the price you pay. It arrives without a car seat, and a newborn-ready setup costs meaningfully more than the complete Britax once the seat and adapters are added. If you are buying for one child and will never build the double, you are paying premium money for modular flexibility you will not use.
If neither of these is quite right, our best travel systems guide ranks complete systems like the Britax against the field, and best strollers under $500 covers lighter, cheaper options. If the double question is what is really driving this, best double strollers is the guide to read next.
What to Avoid
The Cybex Gazelle S if you are buying for one child on a budget. It is a lovely modular stroller, but its premium is largely the double capability and the design, and it does not even include the car seat. For one baby and a complete from-birth setup, the Britax gives you more, safer, for less.
The Britax Willow Brook S+ if a second child is coming soon. It is the better value for one baby, but it has no path to a double. Buying it now and a separate double later can cost more than starting with a modular frame like the Cybex.
Comparing the two on their shelf prices alone. This is the mistake that sends people to the wrong stroller. The Britax price is all-in; the Cybex price is stroller-only. Always add the cost of a car seat to the Cybex before you decide which is actually the expensive one.
Assuming the pricier brand is the safer one. The car seat is the safety-critical piece, and the Britax includes a strong one with ClickTight and an anti-rebound base. The Cybex's safety depends entirely on which seat you buy separately, so do not assume the higher sticker price means a safer newborn setup.
What We'd Buy Today
For most families buying for one baby: the Britax Willow Brook S+. It is a complete travel system with a genuinely strong car seat, ClickTight install, an anti-rebound base and SafeWash fabrics, all for a price well below a from-birth Cybex setup. It is the safer, more complete, better-value choice for a single child.
Get the Britax Willow Brook S+ on Amazon
If a second child is genuinely coming and you want a modular stroller that grows into a double, buy the Cybex Gazelle S instead, and pick your infant car seat to match. The shopper-basket system and the single-to-double conversion are the features you are paying for, so buy it to use them.
Get the Cybex Gazelle S on Amazon
Still weighing it up? Our best travel systems guide ranks complete systems against each other, and if the double is the real question, best double strollers is where to go next.
What You'll Need With It
Cup holders, phone pocket and zipped storage that attach to any handlebar. Keeps essentials within reach without hunting through the changing bag.
Converts from backpack to shoulder bag to tote. Insulated bottle pockets, fold-out changing mat, and stroller clips included.
Four carry positions including forward-facing and back carry. No infant insert needed from newborn — useful when the stroller is too bulky.
Still comparing options?
Browse all our brand-vs-brand pushchair guides to find the right fit.
Browse All GuidesFrequently Asked Questions
Is the Britax Willow Brook S+ or the Cybex Gazelle S better?
For one baby and a complete from-birth setup, the Britax Willow Brook S+ is the better and cheaper buy, because it includes a premium ClickTight car seat in the price while the Cybex does not. The Cybex Gazelle S is the better choice if you want a modular stroller that converts to a double and are willing to buy the infant car seat separately. Decide whether you need the double first, then price both honestly.
Does the Cybex Gazelle S come with a car seat?
No. The Cybex Gazelle S is a stroller sold on its own, without an infant car seat or bassinet. Its main seat is rated from 3 months, so for a newborn you add the Cybex Cot or a compatible infant car seat, both sold separately. The Britax Willow Brook S+, by contrast, includes its Willow S infant car seat in the price as a complete travel system.
Which is better value, the Britax or the Cybex?
The Britax, clearly, once you compare like for like. The Britax price is all-in for a stroller and a premium car seat. The Cybex price is for the stroller alone, and adding a car seat to make it newborn-ready pushes the real cost well above the Britax. The Cybex earns its premium only if you use the double conversion or specifically want the modular platform.
Does the Cybex Gazelle S convert to a double stroller?
Yes. The Gazelle S is modular, with more than 20 configurations, and adds a second seat where the shopper basket sits to become a double for a second child. The Britax Willow Brook S+ does not convert to a double, it is a single-only travel system. If a second child is likely, the Cybex's expandability is its main advantage.
Are both available on Amazon?
Yes. The Britax Willow Brook S+ travel system and the Cybex Gazelle S stroller are both sold on Amazon US. Remember the Cybex arrives without a car seat, so budget for a compatible infant seat as well, and check the current listing for the colour you want.