We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Concord Ultimax 3 vs Cybex Sirona M2 i-Size

17.32 in
25.98 in
Concord Ultimax 3 Child Car Seat
Concord Ultimax 3
17.32 in
17.91 in
Cybex Sirona M2 i-Size Child Car Seat
Cybex Sirona M2 i-Size
Available colors
Editiorial reviews
1
1 editorial reviews
Cybex’s new car seat accessory tells you when your child is trying to escape, is too hot, or has been left in the carRead more
Read editorial reviews
User rating
41
4.0 out of 5
41 user ratings
5 stars
31 %
4 stars
46 %
3 stars
17 %
2 stars
2 %
1 stars
2 %
89
3.6 out of 5
89 user ratings
5 stars
28 %
4 stars
24 %
3 stars
26 %
2 stars
14 %
1 stars
5 %

Full Comparison

Technical details

Concord Ultimax 3Concord Ultimax 3
Cybex Sirona M2 i-SizeCybex Sirona M2 i-Size
TypeCar seat for childrenCar seat for children
Direction
  • Forward facing
  • Rearward facing
Forward & rear facing
Internal beltyesyes
Type of belt5-Points5-Points
Mounting optionsISOFIXISOFIX
Safety standards
  • ECE 44.04-Marked
  • R129
R129
Suitable for (kg)0 - 180 - 18
Suitable for (years)0 - 40 - 4

Dimensions

Concord Ultimax 3Concord Ultimax 3
Cybex Sirona M2 i-SizeCybex Sirona M2 i-Size
Weight33.73 lb30.86 lb
Depth25.98 in25.98 in
Height25.98 in17.91 in
Width17.32 in17.32 in
Colour of product
  • Pink
  • Brown
  • Beige
  • Blue
  • Red
  • Grey
  • Black
  • Grey
  • Red
  • Black
  • Blue
  • Gold
  • Green
  • Khaki
  • Orange
  • Pink
  • Purple
  • Black,Graphite
  • Beige,Red
  • Navy
  • Beige

Features

Concord Ultimax 3Concord Ultimax 3
Cybex Sirona M2 i-SizeCybex Sirona M2 i-Size
Adjustable backrestyesyes
Height-adjustable headrestyesyes
Washable coveringyesyes

Pros & Cons

Pros
      Cons