"Similar versions of the model without the celebrity provenance traditionally bring between US$125,000 - US$175,000 depending on mileage, condition and optional equipment," said Auctions America spokesman Amy Christie. She did not name the buyer.
Car lovers and Trump supporters had lined up to admire the 2007 F430 coupe at a convention centre in Fort Lauderdale, 50km north of Miami.
The real-estate billionaire bought the Ferrari new for use as his personal car and owned it for just over four years.
He drove the car 3,862km. The rest of its mileage - 9,656km - was clocked by its second and current owner, who bought the Ferrari in 2011 and also remains anonymous.
