Interesting that Tesco came out top - again! Years (a decade plus!) ago, in my 968 ownership days, I decided to treat what was now my weekend toy to something better than 95RON - which she'd run well on for years - and as a result of a comparative test I saw then settled on Moventum, and mostly stuck to it. Supermarket fuel eh??!! My 968 coupe then cab ran really well on it.