So if Tesco did one brand car oil, met all the requirements for your car, next to it was a branded oil for a pound more, which would you go for?
If a budget tyre brand made a tyre that was all the same grades as MPS4S, in the real world you dont know how well they actually perform, would you try them or stick with tried and tested? (That ones for Dan)
Same question with brake pads and other consumables on a car