I've used Castrol EDGE 5W-30 in my 2020 A3 since day one. It's specifically approved for Audi (meets VW 504.00/507.00 specs) and my engine runs whispe...

I've been using Mobil 1 0W-40 European Car Formula in my 2019 C300 for years with excellent results. It's Mercedes-approved (MB 229.5) and handles bot...