Why is my Vauxhall Astra making a weird noise while accelerating?

I just bought a used Vauxhall Astra and I noticed that it makes a strange noise when I accelerate. It's not a grinding noise, more like a high-pitched whine. Any idea what could be causing this?

It's possible that this noise is coming from the transmission. This could be caused by low transmission fluid or worn-out gears. I would recommend getting it checked out by a Vauxhall mechanic as soon as possible.

Another possibility is that the noise is coming from the exhaust system. If the exhaust pipe or muffler is damaged or loose, it could create a high-pitched whine. I suggest having a specialist take a look at it.

Make sure to also check the condition of your belts and pulleys. If they are worn or damaged, they can create a whining noise while the engine is running. If this is the case, they will need to be replaced.