Britax Romer Kidfix M i-Size vs Cosatto All in All Ultra: Which is Better?

Choosing the right car seat is crucial for your child's safety and comfort. The Britax Romer Kidfix M i-Size and Cosatto All in All Ultra offer different features and specifications tailored to various needs. This comparison will help you determine which car seat is best for your family.

Key Differences Overview

The Britax Romer Kidfix M i-Size is designed for children aged 3 to 12 years, focusing on Group 2/3 safety. In contrast, the Cosatto All in All Ultra accommodates children from birth to 12 years, making it a versatile option covering Group 0+/1/2/3. The weight of the Kidfix M is lighter at 5.9 kg compared to the 10.2 kg of the Cosatto, but the latter provides a longer usage period.

FeatureBritax Romer Kidfix M i-SizeCosatto All in All Ultra
BrandBritaxCosatto
TypeGroup 2/3Group 0+/1/2/3
Weight (kg)5.910.2
Price (£)229349
Suitable for3-12 yearsBirth-12 years
ISOFIXYesYes
RotatingNoNo
Rating4.54.3

Detailed Specs Comparison

When it comes to safety and comfort, the specifications of each car seat play a significant role. The Britax Romer Kidfix M i-Size meets the latest i-Size safety regulations (R129), which emphasize side-impact protection and optimal installation. Meanwhile, the Cosatto All in All Ultra covers a broader age range and also meets UK safety standards, providing peace of mind for parents looking for longevity in usage.

SpecificationBritax Romer Kidfix M i-SizeCosatto All in All Ultra
Safety Standardi-Size (R129)Meets UK safety standards
InstallationISOFIXISOFIX
Height LimitMin 100cmMin 40cm
Weight Limit15-36 kg0-36 kg
PaddingComfort paddingSoft, breathable fabric
Side Impact ProtectionYesYes

Pros & Cons of Britax Romer Kidfix M i-Size

The Britax Romer Kidfix M i-Size has various strengths and a few limitations.

ProsCons
Lightweight (5.9 kg)Limited to ages 3-12
ISOFIX compatibleNo rotating feature
Great safety ratings (4.5)Less padding compared to some competitors

Pros & Cons of Cosatto All in All Ultra

The Cosatto All in All Ultra also has its own set of advantages and disadvantages.

ProsCons
Suitable from birth to 12 yearsHeavier (10.2 kg)
ISOFIX compatibleHigher price point (£349)
Soft, breathable fabricMay take up more space in the car

Who Should Buy Which?

For parents looking for a lightweight and compact car seat specifically for children aged 3 to 12, the Britax Romer Kidfix M i-Size is an excellent choice. Its safety features and ease of installation make it ideal for this age group. Conversely, the Cosatto All in All Ultra is perfect for parents needing a car seat that will adapt as their child grows, making it a suitable investment from birth up to 12 years.

Ideal ForBritax Romer Kidfix M i-SizeCosatto All in All Ultra
Parents with older childrenYesNo
NewbornsNoYes
Budget-conscious buyersYesNo

Value for Money

In terms of value for money, the Britax Romer Kidfix M i-Size is more budget-friendly at £229, making it an attractive option for parents who need a reliable car seat for older children. The Cosatto All in All Ultra, while pricier at £349, offers a versatile solution that grows with your child, justifying the higher cost for families looking for a long-term investment.

AspectBritax Romer Kidfix M i-SizeCosatto All in All Ultra
Initial Cost£229£349
Usage Duration9 years12 years
Cost per YearApprox. £25.44Approx. £29.08

Frequently Asked Questions

Which car seat is better for long-term use?

The Cosatto All in All Ultra is designed for long-term use from birth to 12 years, making it more versatile.

Is the Britax Romer Kidfix M i-Size suitable for younger children?

No, it is only suitable for children aged 3 to 12 years.

How do the safety ratings compare?

Both seats have excellent safety ratings, with the Britax Romer Kidfix M at 4.5 and Cosatto at 4.3.

Is ISOFIX installation easy with both seats?

Yes, both car seats are ISOFIX compatible for straightforward installation.

What is the weight difference between the two car seats?

The Britax Romer Kidfix M i-Size weighs 5.9 kg, while the Cosatto All in All Ultra weighs 10.2 kg.