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800k car names trademarked globally, suddenly alphanumerics seem reasonable

What's in a name? This cliched phrase probably gets tossed out at every marketing meeting that happens when a new car gets its nomenclature. We know the answer, though: everything. The name of a car has all the potential to make or break it with fickle customers that are more conscious than ever about what their purchases say about them.
That's giving headaches to marketing folks across the automotive industry. "It's tough. In 1985 there were about 75,000 names trademarked in the automotive space. Today there are 800,000," Chevrolet's head of marketing, Russ Clark, told Automotive News. Infiniti's president, Johan de Nysschen, echoed Clark's sentiment, saying, "The truth of the matter is, across the world, there is hardly a name or a letter that hasn't already been claimed by one car manufacturer or another. You can go through the alphabet - A, B, C and so forth - and you will quickly see that almost all available letters are taken."
What has that left automakers to do? Get creative. In the case of Infiniti, it made the controversial move to bring all of its cars' names into a new scheme, classifying them as Q#0 for cars and QX#0 for SUVs and crossovers. So the Infiniti G, which was available as the G25 and G37, is now the Q50. The FX37 and FX50 are now the QX70.

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Cadillac CT6 ushers in new naming convention

Johan de Nysschen has been at his new post as president of Cadillac for not even three months , but he's already seen two of his most notable accomplishments from his two-year tenure as president of Infiniti matched by Cadillac. The brand has announced that it is relocating its headquarters, and is now officially changing its nomenclature.
The brand's new flagship model will abandon the familiar three-letter designation enjoyed by every other model in the range (aside from the Escalade), and adopt an alpha-numeric title. So, rather than the expected title of LTS, Cadillac's top-end car will be called the CT6.
Of course, this won't be limited to just one model. According to Cadillac's press release, "familiar lettering like 'CT' would be used for car models, with the number indicating the relative size and position of the cars in the hierarchy of Cadillac models." And yes, that means what you think it means - Cadillac will use the exact same naming formula, albeit with different letters, as Infiniti.