The most common and most likely answer to this crossword clue is the 6 letter word BANGER
I've seen this crossword clue in Financial Times
B
A
N
G
E
R
More clues leading to the result BANGER
- A meaty firework?
- Sausage black — outrage!
- Firework, a sizzler?
- Bishop to get cross, an explosive type?
- Outlaw German vehicle, a clapped-out one
- Reporter, possibly, a wreck
- Firework in old crate
- Run-down saloon, say, may cause bishop exasperation
- Drive round the bend following British car
- Black German sausage
Buddy explains!

The straight part
We know that "Reporter, possibly/a wreck" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case reporter, possibly/a wreck = banger.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BANGER mean?
BANGER noun- A thing or person which bangs, in any sense.
- : A firework that makes a bang.
- A woman's breast.
- A sausage.
- An old, worn-out car.
- A cylinder in a car.
- A powerfully energetic piece of music, especially dance music.
- (by extension) Any particularly good or pleasing thing.
- Someone who indulges in group sex -- see gangbang.
- A member of a violent gang.
- A violent person.