How to improve fuel efficiency in a Vauxhall Grandland?

I recently purchased a Vauxhall Grandland and I noticed that I am not getting the best fuel efficiency. What can I do to improve it?

Regularly check and replace air filters to improve engine efficiency and fuel consumption.

Avoid aggressive driving and maintain a consistent speed to decrease fuel consumption.

Ensure tires are properly inflated as underinflation can decrease fuel efficiency.

Reduce load and remove unnecessary items from the car to improve fuel efficiency.