One may assume, that the Optimal Time to buy fuel is Tuesday at 22:00, but just to be sure...here is every combination, and indeed, the best time is Tuesday at 22:00 with 1,09€, worst is Monday 4am with 1,22€ and the Average is 1,158€, so on average you could save 3,38€ per 50l





So lets recap... If you want to save Money while buying gasoline, you should:

1)Do it in the Middle of the Week

2)Do it close before Midnigth

than you can save almost 7ct per liter, which is way more than the money you save be driving to a cheaper station