By John.Jolliffe | AA Member | 3 Posts | 5 July 2018 at 5:03pm What octane petrol is best for my 2011 Mazda3 hatch GLX 2.0 5AT please? 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