Petrol tank is a common term used to describe the fuel container of a vehicle. However, there are various synonyms for this term that offer different perspectives on the same object. Some of the synonyms for petrol tank include gas tank, fuel tank, gasoline tank, petrol container, fuel reservoir, gasoline reservoir, and gas container. Each of these synonyms highlights the key elements of the fuel container, such as the type of fuel it holds, its purpose, and its size. Using these synonyms can add variety to your writing and help you convey more specific details about the fuel container in question.