How to improve fuel efficiency on a Kia Ceed?

I have been struggling with high fuel consumption on my Kia Ceed, what can I do to improve its fuel efficiency?

Make sure your tires are properly inflated. Under-inflated tires can greatly impact fuel efficiency.

Try to avoid aggressive driving and maintain a constant speed, as sudden braking and acceleration can also decrease fuel efficiency.

Regularly clean and replace your air filter, as a dirty or clogged filter can cause increased fuel consumption.