Why is my Vauxhall Astra engine making strange noises?

I have noticed that my Vauxhall Astra's engine is producing unusual sounds. It almost sounds like a mixture of rattling and grinding. What could be causing this and how can I fix it?

It is likely that there is an issue with the engine's bearings, which can cause these kinds of noises. You should have a mechanic inspect and replace them if necessary.

This could also be caused by a faulty exhaust system. Check for any cracks or leaks in the exhaust and have it repaired or replaced to resolve the issue.

It could be something as simple as a loose engine component. Check all the bolts and fasteners to ensure they are properly tightened.