By cambourne44 | AA Member | 10 Posts | 19 July 2014 at 6:04pm Hi , Is 91 OK or is it higher octane By ABayliss | AA Expert | 2169 Posts | 21 July 2014 at 10:17am Yes, this engine is designed to run on 91. Go Jump to Accessories and extras Accessories and extras Buying or selling Buying or selling Servicing, repair, faults and reliability Servicing, repair, faults and reliability Fuel and economy Fuel and economy Motoring Rules & Regulations Motoring Rules & Regulations