Meaning: This sentence describes the sound of the car's engine, which was loud and powerful.
Choice of Words: Roared is a verb that describes a loud and deep sound. Engine is the part of the car that makes it move.
Alternative Expressions
The engine made a loud noise.
Meaning: This means that the engine produced a loud, unwanted sound.
Choice of Words: The word "made" is a general verb that means to create or produce something. "Noise" is a noun that refers to any unwanted sound. "Loud" is an adjective that describes the volume of the sound.
The engine was very noisy.
Meaning: This means that the engine was in a state of making a lot of unwanted sound.
Choice of Words: The word "was" is a verb that describes a state of being. "Noisy" is an adjective that describes something that makes a lot of unwanted sound.