This riddle plays with two different meanings of the word “horn.”
A car horn honks, but an animal’s horn is a natural structure and makes no sound at all. A rhinoceros is one of the clearest examples because its horn is one of its most recognizable features.
Answer: A rhinoceros.
The clue works because it encourages you to think about a vehicle first. Once you switch from a mechanical horn to an animal horn, the answer becomes simple.


