Opel approvals
General Motors / Opel requirements for engine oil.
- What oil should you put in an Opel? Opel approvals GM-LL-A-025 and GM-LL-B-025, their replacement by dexos2 and why newer Opels with PSA engines need oils approved to Stellantis standards.
- Opel without GM: dexos or Stellantis approvals? Opel has not belonged to GM for years, and newer Opels with PSA engines need oils with Stellantis approvals, not dexos. How to work out what your own engine requires.