The Ford Mustang was an instant hit after its introduction at the 1964 World's Fair; Ford sold more than 400,000 in the following year. The base engine in the first Mustang was an underperforming I6 ...

Despite a well-received and frankly much-needed mid-cycle refresh of the fifth-generation Ford Mustang in 2009, there remained a lingering sense that the Mustang hadn't quite recaptured the magnetism ...