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Britax Römer Dualfix vs Cybex Sirona

17.32 in
30.71 in
Britax Römer Dualfix Child Car Seat
Britax Römer Dualfix
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
240
3.4 out of 5
240 user ratings
5 stars
29 %
4 stars
18 %
3 stars
27 %
2 stars
14 %
1 stars
9 %
441
3.3 out of 5
441 user ratings
5 stars
24 %
4 stars
17 %
3 stars
28 %
2 stars
20 %
1 stars
8 %

Full Comparison

Technical details

Britax Römer DualfixBritax Römer Dualfix
Cybex SironaCybex Sirona
TypeCar seat for childrenCar seat for children
DirectionForward & rear facingForward & rear facing
Internal beltyesyes
Type of belt5-Points5-Points
Mounting optionsSeat beltISOFIX
Safety standards
  • ECE 44.04-Marked
  • R129
  • ECE 44.04-Marked
  • R129
Suitable for (kg)0 - 180 - 18
Suitable for (years)0 - 40 - 4

Dimensions

Britax Römer DualfixBritax Römer Dualfix
Cybex SironaCybex Sirona
Weight2.43 lb33.07 lb
Depth20.87 in26.77 in
Height30.71 in25.0 in
Width17.32 in17.32 in
Colour of product
  • Black,Grey,White
  • Grey
  • Blue
  • Red
  • Black
  • Black,Blue,Grey,White
  • Black,Lilac,White
  • Black,Red,White
  • Black,White
  • White
  • Black
  • Blue
  • 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 DualfixBritax Römer Dualfix
Cybex SironaCybex Sirona
Adjustable backrestyesyes
Height-adjustable headrestyesyes
Washable coveringyesyes

Pros & Cons

Pros
      Cons

          Often compared with Britax Römer Dualfix

          Often compared with Cybex Sirona