 | It's impossible to say which is the greatest Ferrari of all time. The 275 GTS/4 NART Spider makes a compelling case for itself when it very rarely comes up for sale. It's an occasion anytime a NART Spider comes up for sale because only 10 were built. Based on the 275 GTB coupe, Ferrari built the NART Spider at the request of Luigi Chinetti, the official U.S. importer for Ferrari. NART stood for his North American Racing Team. |
 | A 3.3-liter Colombo V12 made 300 hp with six twin-throat Weber carburetors, spinning a five-speed gearbox. A 275 GTS/4 NART Spider sold for $27.5m at a charity auction in 2013. |  |
 | The final Ferrari NART Spider ever built was consigned for sale at RM Sotheby’s Monaco auction in 2016. Estimated at €19m to €23m the car did not change hands. Here. |   |
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