Break down

AnonymousBecause she had broken her old car, she bought a new car. Does it make sensce?

Yes, but this sounds like she, herself, broke the car. If you don't want to convey this meaning, then say: Because her old car had broken, she bought a new one.

With cars, w say 'break down'.

Because her old car had broken down, she bought a new one.

Anonymous Because she had broken her old car, she bought a new car.Does it make sense?

We wouldn't normally say she broke her car. If she had been in an accident, we might say that she had crashed or wrecked her car. We could also say she had

Thanks, Clive and Blue Jay, for your replies. That's the difference between a native speaker and a non-native speaker of English. "Her car had broken", which you didn't find usual or natural, sounded perfectly fine to me (a non-native speaker of the language). Anyway, thanks to you two once again! ..

She broke her leg in the car accident.
She broke her knife by trying to cut through a bone.

The car broke down (to have such severe mechanical problems that the car would not run) on our trip. We were stranded by the side of the road.

The old grey mare broke down and we retired her to green pastures. "Break down" is used for working animals that were overworked