How can I improve my fuel efficiency in my Vauxhall Insignia?

I have noticed that my Vauxhall Insignia is not getting great gas mileage. Are there any specific tips or maintenance tasks I can do to improve my fuel efficiency?

Regularly check and replace your air filter to improve airflow and fuel efficiency.

Avoid aggressive driving and try to maintain a steady speed to conserve fuel.

Make sure your tires are properly inflated to reduce rolling resistance and improve fuel efficiency.

Get regular tune-ups and maintenance check-ups to ensure your engine is running efficiently.