A man has just approached you with a briefcase. He explains that there is Eighty Thousand dollars in the briefcase and that it's all yours, but... there's predictably a catch. He says, "You can only spend it on a car and you've only got one hour to spend it." Because, he adds, after an hour the money expires - any change you've got left over makes like the stage coach and turns back into a pumpkin.

He looks at you, starts a timer and says, "Go!"

Authors Edit:

Here's my answer; Cadillac CTS-V in Black Diamond. It's a 2012 Sportwagon sitting at a dealership in town. They're asking $65K, so I'd drop the additional change on a second set of tires and wheels, right there. Bam. Done. It's this one: