Renault Group, in collaboration with Castrol, is launching the first complete range of premium engine oils made with Re-Refined Base Oils (RRBO) ensuring high performance, engine protection, and the preservation of the manufacturer's warranty.
The use of RRBO reduces the carbon footprint by 15% for the RN17 Oil specification[1], marking a step forward in lowering CO₂ production emissions into a more circular automotive industry.
Starting with the RN17 (5W-30) product which covers over 50% of Renault Group's vehicles in Europe, it will be extended to formulations for all models by 2026.
Boulogne-Billancourt, France - 17 December 2025
Renault Group After-Sales, together with its strategic partner Castrol, proudly announces the launch of its new co-branded Renault Castrol GTX range formulated with Re-Refined Base Oils (RRBO).
With this launch, Renault Group becomes the first automotive manufacturer to introduce this advanced technology to its latest engine oil specifications.
Starting with RN17 (5W-30) now available across the European dealer network, it addresses over 50% of Renault Group vehicles in use in Europe.
Combined with RN700 and RN710 already launched and to be followed by RN720 and AN2022 in 2026, Renault Group will be the only carmaker to offer a full range of premium engine oils for all its models, formulated to include RRBO.
Used oils are re-refined with advanced technology to meet a standard equivalent to that of virgin oil.
Combined with Castrol's expertise, these oils satisfy or surpass Renault Group's technical requirements while maintaining engine protection, performance, and warranty coverage.
With an estimated 13-24% lower carbon footprint reduction , Renault Group decided to exclusively propose these premium oils to its customers as a clear commitment to a more circular automotive industry.
It also helps to enable used oil recycling, reduces waste, uses less crude oil, and helps lower Scope 3 emissions[2].
“This launch makes Renault Group the first OEM to provide its entire recent vehicle range with next-generation lubricants formulated with re-refined base oil,” said François Delion, Vice President Global After-Sales at Renault Group.
“It's a true demonstration that sustainability can go hand-in-hand with uncompromising performance and quality, over the complete lifecycle of the vehicle.”
“By co-engineering these products, we're helping Renault Group meet customer needs today and tomorrow with high-performance, lower carbon, more circular lubricants for the automotive sector », said Slawek Radon, Vice President Business Development & Partnerships at Castrol.
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