1. My car broke down.

2. My car is out of order.
3. My car died.
4. My car died on the way to work.
5. My car malfunctioned.
6. My car didn't function.
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Can we use all the expressions? Do you have more expressions similar to 'broke down'?

#s 1-4 are all commonly used.

#5 is correct, but rather stiff and is not used often.

#6 is technically correct, but isn't used.