When you think about fast food, you think quick and affordable. While thats the idea, thats not always the case.Nowadays, its not unusual to swing by a drive-thru for some quick grub only to find out youre paying a surprisingly hefty price. Thats because some of these fast food chains are offering burgers that could compete with sit-down restaurants when it comes to price. But what about quality?Lets take a look at Americas most expensive fast food burgers, and their quality to see if theyrereally worth the splurge. Just because something is expensive doesnt always mean its the best.RELATED: Fast Food Chains With The Highest (and Lowest) Quality BurgersWhats the average cost of a fast-food burger in America?A simple Google search will show that the most recent average cost of fast food burgers is $8.41. Thats just the burger! If youre looking for a meal, that price will go up quick. Depending on the state and chain, you could pay around $20 for one meal.Delish looked at some classic burgers from 15 popular fast food chains to determine the most expensive. Here are some chains that are charging the big bucks, and what kind of quality youre getting for it.America's Most Expensive Fast Food Burgers (and Their Quality)Let's take a look at America's most expensive fast food burgers (according to research from Delish), and their quality to see if they'rereally worth the splurge.Gallery Credit: Danielle KootmanREAD MORE: Did You Know McDonalds Happy Meal Boxes Are Actually Trays?Clearlycost isnt always directly correlated with quality when it comes to burgers, looking at these chains. It's up to you if you think the splurge is worth it, even if it means a low quality burger.When it comes to food quality, standards seems to differ from country to country. Here are some food and drinks that are highly restricted here in the U.S.Get our free mobile appOnce-Beloved Fast Food Items That No Longer ExistThese defunct fast food items have gone down in history. Wouldnt you love to eat them again?