More bang for (one's)/the buck American informal
Used to imply that something brings more value or is worth one's money or spending.
We are short of money now, so we choose to buy products that have more bang for our buck.
I'm not looking for the most modern car. I just want a reliable one that will get me more bang for the buck.
Excuse me. Which one of these brands will give me more bang for my buck?
The expression originated in the mid-1900s as an advertising slogan for a carbonated soft drink.