Maxi-Cosi Oxford Modular vs Mountain Buggy Cosmopolitan

The Oxford Modular is 2.1 lb lighter. The Cosmopolitan lists for $50 less.

Only the differences are shown.

Maxi-Cosi Oxford ModularMountain Buggy Cosmopolitan
List price$649.99$599.99Lowest price
Weight27.9 lbLightest30 lb
Folded size21.3 × 22.6 × 26.8 in7.5 cu ftNot listed
Open size37.8 × 22.6 × 43.1 inNot listed
Seat holds up to55 lb55 lb
Child height up to40 inNot listed
From birth?Yes, seat lies flatYes, seat lies flat
Seat reclineFlatFlat
Seat faces you or the worldYesYes
One-hand foldNot listedYes
Stands when foldedYesYes
Fits airline overhead binNoNot listed
Converts to a doubleNoNo
Basket22 lbNot listed
Car seatsAll Maxi-Cosi infant car seats using included adaptersNot listed
Car seat adaptersadapters included; compatible with all Maxi-Cosi infant car seatsTS21 adapter (phil&teds/Mountain Buggy, Maxi-Cosi, Cybex)
Folds with the seat onYesNot listed
BrakeFoot brakeHand brake
In the boxstroller, infant car seat adapters, removable cushioned inlay, bumper bar, parent cup holderNot listed
Sold as a travel systemOxford Modular Travel System with Ambra ($999.99); with Mico Pro ($869.99); with Peri 180 ($1,149.98)Not listed
Released2026Not listed
Handlebar heightAdjustableAdjustable
Wheels and suspensionPuncture-proof wheels with all-wheel suspensionRear air-filled tires, puncture-proof 360° swivel front tires, all-round suspension
CanopyExtendable, UPF 50Not listed

Maxi-Cosi Oxford Modular

A full-size stroller with a built-in lie-flat carriage mode, so no separate bassinet is needed for a newborn. Seat faces either way and car seat adapters are included.

  • Built-in lie-flat carriage mode for newborns
  • Reversible seat; folds either direction
  • Car seat adapters included
  • Fairly heavy at about 28 lb
  • Folded size is bulky

Mountain Buggy Cosmopolitan

    Ask the meadow

    Oxford Modular or Cosmopolitan?

    Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

    Which is lighter, the Oxford Modular or the Cosmopolitan?

    The Maxi-Cosi Oxford Modular weighs 27.9 lb, 2.1 lb less than the Mountain Buggy Cosmopolitan (30 lb).

    Is the Cosmopolitan cheaper than the Oxford Modular?

    Yes. The Cosmopolitan lists for $599.99 and the Oxford Modular for $649.99, a $50 difference. Sale prices change often.

    Can both be used from birth?

    Oxford Modular: Yes, seat lies flat. Cosmopolitan: Yes, seat lies flat.

    Which one lasts longer?

    Both seats hold up to 55 lb.

    Still wondering? Write to us at hello@cribpicks.com and we'll look it up.