Doona+ Baby Car Seat vs Doona X Car Seat

By the Pushchair Verdict editorial team · Updated 2026 · How we test & score

We compare the Doona+ Baby Car Seat and the Doona X Car Seat across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.

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At a glance

Doona+ Baby Car SeatDoona X Car Seat
Our score9.0/107.2/10
Best forParents who drive and want one setup from newborn to toddlerParents who drive and want one setup from newborn to toddler
Not ideal forAnyone wanting the lightest possible stroller, or who never uses a carAnyone wanting the lightest possible stroller, or who never uses a car
BrandDoonaDoona

What's Included and Configurations

Doona+ Baby Car Seat

Once the car seat and travel system are chosen, it is important to understand what comes in the box and how the setup works for everyday use. The Doona and Travel Stroller is positioned as a convertible 0+ car seat and pram, using an i-Size approach with ISOFIX. It is described as a travel system, meaning the car seat and stroller are designed to function together, but the car-seat harness is specified as a 5-point system. The ISOFIX base is sold separately, so full installation requires buying that additional component, which may delay the initial setup.

Doona X Car Seat

After covering what the Doona X does in car and travel mode, it becomes possible to understand what comes with it and how the setup is intended to work. The product is described as a convertible 0+ car seat and pram, with i-Size and ISOFIX support. The title also states it is a travel system, meaning it is intended to switch between car use and stroller use. The ISOFIX base is sold separately, so it requires planning that purchase. The seat offers three recline positions, which can affect comfort when used as part of the travel setup.

From Birth: Carrycot and Car Seat

Doona+ Baby Car Seat

From birth, the Doona is designed to function as an 0+ car seat and as a travel stroller, using the same seating unit for journeys in the car and pushchair outings. In car mode, it is intended for i-Size use with an ISOFIX base, which is sold separately. In stroller mode, it operates as an ergonomic pushchair, with a 5-point safety harness to provide restraint during switches.

Doona X Car Seat

From birth, the Doona X is designed to be a convertible 0+ car seat that can also be used as a pram, so the same core unit supports both car travel and stroller-style outings. It offers three recline positions, aimed at providing a more upright posture for daytime use and a more relaxed position when the baby needs to rest. The seat-to-pram concept is built in, so parents can move between car and stroller without switching to a separate carrycot unit. An i-Size/ISOFIX setup requires the ISOFIX base, which is sold separately.

Everyday Use: Fold, Weight and Handling

Doona+ Baby Car Seat

For everyday trips, the Doona+ baby travel system is designed to work as both a car seat and a travel stroller. In day-to-day use, the fold and carry process is a key factor for managing changes between car journeys and walking routes. Steering and manoeuvrability also matter in tight spaces such as shops or station platforms, where a compact, seat-to-stroller setup can be important. Weight is a practical consideration. An ISOFIX base is sold separately, which adds additional steps for installation.

Doona X Car Seat

For everyday use, the Doona X is designed for quick, simple handling as part of its car-seat-and-stroller travel system concept, enabling parents to use the same unit for short trips and routine outings. Caregivers can switch between driving and walking setups without fully changing configurations, as it is an all-in-one travel system. It includes three recline positions to support comfort during longer outings. Fold and transport are described as straightforward.

Safety Standards and Fitting

Doona+ Baby Car Seat

Safety and fitting matter because the Doona is intended to function as both a car seat and as a travel stroller, so correct setup is needed each time it is used. The Doona+ is an i-Size/ISOFIX car seat, so installation should start with an ISOFIX base, which is sold separately (not stated). Before driving, check that the 5-point safety harness is correctly seated, then tighten it so the straps lie flat without twists. During use, the car seat should remain firmly latched, and the child should be restrained for every journey.

Doona X Car Seat

Safety begins with meeting the relevant child restraint standards and fitting the seat correctly, because correct installation is required for secure performance. For the Doona X, parents should use the i-Size and ISOFIX guidance provided by the manufacturer. They should place the seat in the vehicle seat as directed, connect the ISOFIX points without twists, and lock the connection. After locking, they should check for movement at the belt path area and confirm the recline position matches the requirements in the car-seat instructions, using the three available settings. If any doubt remains, the instructions should be rechecked.

Who Is This For?

Doona+ Baby Car Seat

This travel system is aimed at parents and caregivers who want a single product to cover in-car travel and quick stroller use, because the Doona+ is designed as a car seat and a travel stroller with i-Size/ISOFIX. It suits households that frequently move between the car and short trips, since the setup can be used as one travel system rather than separate items. Caregivers who plan to use the ISOFIX base may find the design straightforward, although the base is sold separately.

Doona X Car Seat

This car seat-stroller system is best suited to parents who want one solution that transfers from car use to pushchair mode, avoiding the need to buy separate products. It is designed for ISOFIX fitting in a car, but the ISOFIX base is sold separately. It also suits households that prefer fewer changes between travelling and everyday outings, since it operates as a travel system. It may be less suitable for parents who want the ISOFIX base included in the purchase.

Doona+ Baby Car Seat: pros

  • Travel system
  • Includes car seat
  • i-Size / ISOFIX car seat
  • One setup from newborn to toddler

Cons

  • Bulkier and pricier than a standalone stroller
  • Always check the car seat and base fit your car
  • Check the folded size suits your boot and storage

Doona X Car Seat: pros

  • Travel system
  • Includes car seat
  • i-Size / ISOFIX car seat
  • One setup from newborn to toddler

Cons

  • Bulkier and pricier than a standalone stroller
  • Always check the car seat and base fit your car
  • Check the folded size suits your boot and storage

Our verdict

Our pick is the Doona+ Baby Car Seat (our score 9.0/10) - A practical travel system (travel system, i-Size / ISOFIX) for getting out with a baby. The Doona X Car Seat is still worth it if it is cheaper when you check, or if it better matches your specific needs.