What’s a Mustang? We know, but it’s not an easy question to answer. A Mustang is…a Mustang. It’s so thoroughly itself that there’s no need to define it as a variant of someone else’s car. All truly great cars are like this. Competitors might meet and even beat them in this or that regard, but until they develop identities of their own they’ll never possess the same allure. The Europeans practically have such cars in their DNA. The Americans and Japanese have stumbled over the goal line from time to time. The Koreans…well, the Koreans are still new. So what’s a Genesis Coupe?