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Britax Römer Dualfix i-Size vs Cybex Sirona

17.32 in
18.9 in
Britax Römer Dualfix i-Size Child Car Seat
17.32 in
25.0 in
Cybex Sirona Child Car Seat
Cybex Sirona
Available colors
Editiorial reviews
2
2 editorial reviews
Is this the ultimate car seat?Read more
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
118
3.6 out of 5
118 user ratings
5 stars
28 %
4 stars
24 %
3 stars
26 %
2 stars
15 %
1 stars
5 %
442
3.3 out of 5
442 user ratings
5 stars
24 %
4 stars
17 %
3 stars
28 %
2 stars
20 %
1 stars
8 %

Full Comparison

Technical details

Britax Römer Dualfix i-SizeBritax Römer Dualfix i-Size
Cybex SironaCybex Sirona
TypeCar seat for childrenCar seat for children
Direction
  • Rearward facing
  • Forward facing
Forward & rear facing
Internal beltyesyes
Safety standards
R129
  • ECE 44.04-Marked
  • R129
Suitable for (kg)0 - 180 - 18

Dimensions

Britax Römer Dualfix i-SizeBritax Römer Dualfix i-Size
Cybex SironaCybex Sirona
Weight33.07 lb33.07 lb
Depth29.13 in26.77 in
Height18.9 in25.0 in
Width17.32 in17.32 in
Colour of product
  • Black
  • Blue
  • Green
  • Grey
  • Red
  • Pink
  • Blue
  • Blue,Navy
  • Red
  • Green
  • Purple
  • Brown
  • Black,Blue
  • Brown,Khaki
  • Gold,Red
  • Black,Grey
  • Black,Red
  • Black
  • Black,Graphite
  • Beige,Red
  • Pink,Violet

Features

Britax Römer Dualfix i-SizeBritax Römer Dualfix i-Size
Cybex SironaCybex Sirona
Adjustable backrestyesyes
Height-adjustable headrestyesyes
Washable coveringyesyes

Pros & Cons

Pros
      Cons

          Often compared with Britax Römer Dualfix i-Size

          Often compared with Cybex Sirona