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New Renault Castrol GTX with RRBO

Castrol and Renault Group have launched a new co-branded Renault Castrol GTX range formulated with Re-Refined Base Oils.

Renault group: The first automotive manufacturer to introduce and exclusively offer a complete range of premium engine oils with lower carbon footprints

Boulogne-Billancourt, France / London, UK , 17 December 2025

  • 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 product1, marking a step forward in lowering CO₂ production emissions into a more circular automotive industry.
  • Starting with the RN17 (5W-30) Oil specification which covers over 50% of Renault Group’s vehicles in Europe and will be extended to formulations for all models by 2026.

 

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.

 

A Strong Commitment: Full Coverage, Zero Compromise

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 reduction1, 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 emissions2.

 

An Innovative Step for the Automotive Industry

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. It’s a true demonstration that sustainability can go hand-in-hand with uncompromising performance and quality, over the complete lifecycle of the vehicle.François DelionVice President Global After-Sales, Renault Group

 

 

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.Slawek RadonVice President Business Development & Partnerships, Castrol

 

Notes to Editors

 

  1. The GHG Protocol Corporate Standard classifies a company’s GHG emissions into three ‘scopes’. Scope 1 emissions are direct emissions from owned or controlled sources. Scope 2 emissions are indirect emissions from the generation of purchased energy. Scope 3 emissions are all indirect emissions (not included in scope 2) that occur in the value chain of the reporting company, including both upstream and downstream emissions.
  2. Renault co-branded lubricants achieve a lower carbon footprint by using re-refined base oils in place of some of the virgin base oils traditionally present in Castrol lubricants, resulting in lower cradle to gate production emissions. Cradle-to-gate lifecycle carbon intensity comparisons have been assessed by Castrol, in accordance with the Greenhouse Gas Protocol Product Life Cycle Accounting & Reporting Standard. Emissions factors used for re-refined and virgin base oils are proxy values supplied by Environmental Resources Management (ERM), an independent carbon footprinting consultancy.