Why is my Vauxhall Astra making a loud humming noise?

I've noticed that my Vauxhall Astra is making a loud humming noise while driving. It seems to be coming from the engine area and gets louder as I accelerate. What could be causing this and how can I fix it?

It's possible that the noise is coming from a faulty wheel bearing. This can be caused by wear and tear or lack of lubrication. It's important to get this fixed as soon as possible as it can affect the handling and safety of your car.

Another possibility could be a problem with the exhaust system. Check for any loose or damaged components such as the exhaust pipe or muffler. If these are damaged, they should be replaced by a certified mechanic.

The noise could also be due to an issue with the tires. Make sure they are properly inflated and not worn down. If the tires are old and worn, it's time to replace them to avoid any potential safety hazards.