Jaguar holds a reputation for targeting male car drivers — and ones with plenty of money. For instance, the company's "Good to be Bad" campaign in 2014 featured British male actors such as Tom Hiddleston and Ben Kingsley portraying suave villains, reinforcing a masculine brand image.

But in five years of covering rebrands, I've never seen anything quite like the response to the new Jaguar branding. It's rare that a rebrand gets everyone from branding experts to Elon Musk talking,