Do you have diesel?
'Gasolio' — 'ga-SO-lyo'. Three syllables; 'io' at the end is a short diphthong.
Ask at a small or unfamiliar station to confirm they stock diesel before pulling up to a pump.
'Gasolio' is the most formal Italian word for diesel fuel; 'diesel' and 'gasolio' are used interchangeably. 'Avete' is the second-person plural of 'avere' (do you have/do you sell).
Quale è la pompa del gasolio?
Which is the diesel pump?
Asks for the specific pump location.
Il gasolio è il stesso prezzo in self e servito?
Is diesel the same price self-service and attended?
Price comparison between modes.
Avete il gasolio speciale?
Do you have premium diesel?
Asks about high-performance diesel (e.g., Eni Diesel+).
Italian petrol pump colour coding: green is typically used for unleaded petrol, black or yellow for diesel, and blue or red for LPG. However, colours are not nationally standardised — always read the label on the pump.