noun
petrol, gasoline, fuel
B1
Benzin means petrol, gasoline, or (motor) fuel. It's a neuter mass noun (das Benzin) typically uncountable; plural is rarely used (plural form Benzin). Genitive: des Benzins. Use for car fuel rather than general 'fuel' in technical senses. Common collocation: 'Benzin tanken' (to fill the tank).
Examples
Das Auto braucht Benzin.
The car needs petrol.
Haben Sie Benzin getankt?
Did you fill up with gas?
In Deutschland ist das Benzin an der Tankstelle teuer.
Gasoline is expensive at the petrol station in Germany.
Details
Mnemonics
Picture a gas pump labeled 'Benzin' as you fill up a car.
Sounds like 'benzen' — think of a benzene ring and car fuel.
Das Benzin — imagine the fuel pump wrapped in a small das-sign (neutral).
Notes
Benzin is typically uncountable in German (no plural in everyday use). In some contexts historical/rare plurals like 'Benzine' exist.