Which product holds the Guinness World Record for 'Most Expensive Production Car' ever sold at retail as of 2023?

The Guinness World Records has documented countless achievements in product marketing and retail. From the most expensive consumer items ever sold to the fastest-selling products in history, these records showcase extraordinary achievements in the commercial world. This trivia question focuses on a remarkable product design record that made headlines worldwide. Do you know enough about extreme product achievements to identify the correct answer?

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Bugatti La Voiture Noire ($18.7 million)
Rolls-Royce Boat Tail ($28 million)
Pagani Zonda HP Barchetta ($17.5 million)
Koenigsegg CCXR Trevita ($4.8 million)