This is the 208th most frequent German word.
auto
Car.
Here, 'Auto' refers to a car, a common noun for vehicles in German.
Ich fahre ein rotes Auto.
I drive a red car.
'Auto' is used as a singular noun referring to a personal vehicle, emphasizing possession.
Das ist mein erstes eigenes Auto.
This is my first own car.
'Auto' is described here with an adjective 'kaputte', indicating its condition.