Britax Römer · High-back booster

Britax Römer Kidfix Pro

Based on 1 independent scored test: ADAC (2025). The test scores average 74. With only 1 test, the ranking score is pulled down a little until more testers confirm it.

Tested for Europe & UK

Shortlist score

Good

#27 of car seats for Europe & UK

Single test

Where to buy

Most links search the shop for this model. Check that the version on sale matches the one tested.

Test results

Each score as the tester published it, converted to our 0–100 scale. Weight is how much the result counts towards the score.

ADAC DE · Lab test

ADAC Kindersitztest Herbst 2025

1.8

gut

Our scale74

weight 1.00

Same test also published by dTest, counted once.

Safety: 1.7
Handling: 2.0
Ergonomics: 2.0
Harmful substances: 1.0
Environmental substances: 1.0

Listed at €220 Zulassung: i-Size, Körpergröße von 100 cm bis 150 cm; Sitzerhöher mit Rückenlehne für Kinder von 100-150 cm (ca. 4 bis 12 Jahre); Sitzgewicht: 6,4 kg | ADAC age class: Kind | direction: Vorwärtsgerichtet | Isofix: Ja | mounting: In Fahrtrichtung mit 3-Punkt-Fahrzeuggurt, optional zusätzlich mit Isofix (nur in freigegebenen Fahrzeugen) | 2025+ protocol: separate "Umweltschadstoffe" sub-grade recorded as environmental_substances | Test vom Oktober 2025

View on adac.de ↗

1 older or duplicate result not counted

dTest CZ · Consumer organisation

Nové výsledky testu dětských autosedaček 2025 (dTest, 21.10.2025)

74 %

dobře

Our scale74

not counted

Not counted: Same joint ICRT test as ADAC.

Listed at CZK 6,151 dTest group: autosedačky od 4 do 12 let. Product page: https://www.dtest.cz/test/britax-romer-kidfix-pro/135065.

View on dtest.cz ↗

Top-ranked alternatives

70

Cybex Solution G i-Fix
ADAC 1.7 OCU 76%
69

Britax Römer Kidfix i-Size
ADAC 1.8
68

Cybex Solution S i-Fix
ADAC 1.8 dTest 74 % OCU 74%
68

Britax Römer Kidfix III M
ADAC 1.7
68

Nuna Aace LX
ADAC 1.9

How we turn these into one number: methodology. Tested in 2025.