My car ran worse on Ultimate than 91RON.
My car ran worse on Ultimate than 91RON.
2011 RenaultSport Megane RS250
After putting a tank of 98 through over the last week, doesn't feel any different to 91. Might go 1 tank in 10 just to clean her out, and put the 12c per litre difference towards my Steve Knight tune in October.
Regards, Tony
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