Shell V-Power is the only high octane fuel I can get round here, without a trek.
Very limited for choice up here, from that list I have either v-power or BP ultimate. v-power I have to do an 80 mile round trip for though, but is far superior to the BP stuff IMO.
Tesco have just started doing their S U/L but its about as good as a fart in a space suit.
you just need more jerry cans, and buy like half a years supply qat a time lmao