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The prestigious Detroit firm gave 12-cylinder cars another go in the 1930s, and the most striking of these was its final-year Coupe-Roadster for Two or Four Passengers. Packard reintroduced a V-12 ...

Aston Martin has revealed the new Vantage Roadster ... up a tenth on the coupe. Top speed for the convertible is 202 mph, equaling the coupe. At what point does a sports car become a supercar?