Here’s what they are, and why they are getting harder to tell apart.

Here’s the most surprising new automotive argument that needs settling: what exactly is a sedan and what is a coupe?

Not long ago, that question was easily answered and the Venn diagram of the car segments had no overlapping circles. Nowadays, however, automakers are blurring the lines between these two types of cars with what could be considered reckless abandon. If you’re befuddled by this misleading marketing—or simply unfamiliar with coupes and sedans—we’re here to clarify the differences.
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https://www.caranddriver.com/features/a28411772/sedan-vs-coupe/