I always assumed that the weird little gap in the cup holder in my old car was just part of the molded plastic—until I saw someone post about it online. After noticing it myself, however, I could hardly see anything else except that gap in nearly every car I rode in.
That narrow space between two cup holders seemed like such an odd "design choice." Was it a manufacturing quirk? A leftover mold seam? A design flaw?
It turns out… it usually isn't any of those things.
Most of us use cup holders daily without ever considering why they're made the way they are. However, there are a multitude of very small, practical design choices present throughout car interiors that provide unspoken assistance for driving.
The gap between cup holders is another one of those practical design elements.
As I dug into it a bit more, I found that the reason behind the existence of the gap between car cup holders is relatively straightforward—although it does vary slightly based on the type of vehicle, brand philosophy, and intended use.
Let's break down what that gap is really for—and why you'll start noticing it everywhere once you know.
🎯 The Short Answer: What Is That Gap For?
In most vehicles, the gap between cup holders serves three primary purposes:
