What is normal unleaded petrol ?
Standard unleaded petrol is 91. Premium unleaded is both 95 and 98. Those numbers – 91, 95 and 98 – are the so-called ‘octane rating’ of the fuel.
Standard unleaded petrol is 91. Premium unleaded is both 95 and 98. Those numbers – 91, 95 and 98 – are the so-called ‘octane rating’ of the fuel.