Why is my Vauxhall Insignia making loud grinding noises while driving?

I recently noticed that my Vauxhall Insignia has been making loud grinding noises while I'm driving. It only happens when I reach higher speeds, around 50mph. What could be causing this and how can I fix it?

It sounds like you may have an issue with your brake system. I would recommend taking your car to a mechanic to have the brakes checked and possibly replaced if needed. It's important to address this issue as soon as possible to avoid any further damage to your car.

This could also be a problem with your wheel bearings. They may be worn out or damaged and will need to be replaced. I suggest taking your car to a mechanic to have them inspected and replaced if necessary.

It's also possible that your transmission is causing the grinding noises. Check the transmission fluid level and if it's low, top it up. If that doesn't help, take your car to a mechanic for further diagnosis.