Zep
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Hi sorry I've not tried e10 as happy to pay the extra for no hassle and use super. Up until now I've always put 95 Ron in whatever car i had as never believed 98/99 Ron made any difference
It just shocked me that the only car that seems to notice a difference when running 95 e5 vs 98/99 e5 is a 2002 bmw.
Your right the needle gauges are probably not the most accurate, but it definitely uses less fuel at same cruising speed. Probably in the qp or cayenne turbo I've often got my foot in the floor so maybe that makes the difference.
Anyway sticking with super for all unless at a motorway services
Ah, misread that. Back in the day I could really tell the difference between regular and super in my Alfa 33 16v. Can’t tell the difference in more modern cars as you say, seems they are better at compensating.