R1234yf Compatible Vehicles UK: Which Cars Need This Refrigerant?
R1234yf is now the standard automotive air conditioning refrigerant in most new UK cars. If you work in automotive AC servicing or run a fleet, knowing which vehicles use R1234yf — and from what year — is essential for stocking the right refrigerant and avoiding cross-contamination of systems.
When Did UK Cars Switch to R1234yf?
EU Directive 2006/40/EC required all new car type approvals from January 2011 and all new car sales from January 2017 to use a refrigerant with GWP below 150. R1234yf (GWP 4) is the automotive industry standard meeting this requirement. UK law retained this requirement post-Brexit.
In practice, the transition was gradual:
- 2011–2012: Premium German brands began early voluntary adoption (some Audi, BMW, Mercedes-Benz models)
- 2013–2015: Broader premium adoption (Volvo, Jaguar Land Rover, Porsche, Lexus)
- 2016–2017: Mass-market brands transition (Ford, Vauxhall, Volkswagen, Toyota, Honda, Nissan)
- 2017 onwards: All new car registrations must use R1234yf (or equivalent GWP <150 refrigerant)
How to Confirm Whether a Specific Car Uses R1234yf
The most reliable method is the bonnet label at the AC service ports — it will state ‘R-1234yf’ clearly. Additional methods:
- Service port fitting: R1234yf uses a physically different port fitting to R134a, preventing cross-fill
- Vehicle handbook: AC section specifies refrigerant type and charge weight
- ETKA/Haynes/online VIN lookup: Model-specific service data confirms refrigerant type
Popular UK Cars Using R1234yf (Indicative)
- Audi: A3 (2012+), A4 (2015+), A6 (2014+), Q5, Q7
- BMW: 3 Series (F30, 2012+), 5 Series (F10, 2013+), X5, X7
- Ford: Focus (2018+), Fiesta (2018+), Puma, Kuga
- Mercedes-Benz: C-Class (W205, 2014+), E-Class (W213), GLC, GLE
- Vauxhall: Astra (2015+), Corsa (2019+), Mokka (2020+)
- Volkswagen: Golf (Mk7 2013+), Polo (2018+), Passat (2015+)
- Toyota: Yaris (2020+), Corolla (2019+), RAV4 (2019+)
Garage sourcing R1234yf? Buy R1234yf 5 kg from Refrigerant Gas Supplies Ltd — UK F-Gas compliant, next-day delivery. For older fleet vehicles: R134a 13.6 kg also available.
Frequently Asked Questions
How do I know if my car uses R1234yf?
Check the bonnet label at the AC service port — it will clearly state R-1234yf. Also check the vehicle handbook. R1234yf service ports have a different fitting to R134a, preventing cross-contamination.
Do all cars made after 2017 use R1234yf?
All new car registrations from January 2017 must use R1234yf (or GWP <150 equivalent). Cars manufactured before this can still use R134a. Always verify on the specific vehicle.
Can R134a and R1234yf be mixed in a car AC system?
No. Mixing refrigerants is illegal and harmful to the system. Service port fittings are intentionally different to prevent this. Always recover fully before recharging with the specified refrigerant.