Worth using high octane fuel?
Hi folks, has anyone compared performance of the different octane rated petrol/ gas in their i8 and thinks it makes a difference?
I see in the UK that Tesco do a 99 RON fuel (Momentum 99) which is supposed to give about 6.5% increase in bhp and 14% better fuel economy over Tesco's standard unleaded...(Autocar)
When I had my Cayman I can't say I noticed any difference between standard RON 95 and Shell V power.🤔
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