Ford said today that sales of Sync, its voice-controlled communications and infotainment system, have hit the 2m mark.

The US vehicle giant said that it had passed 2m installations in Ford, Lincoln and Mercury vehicles less than a year after passing the 1m unit milestone.

"The success of Sync proves that customers want to be connected," said Ken Czubay, Ford vice president of US marketing, sales and service. "The speed with which we've hit the 2m mark, the premium Sync adds at auction, and the improvements in purchase consideration show that it is a true differentiator for us, adding real value for the customer."

Sync, built on the Microsoft Windows Embedded Automotive software platform, was first delivered in fall 2007.

"Microsoft and Ford share a common vision when it comes to connecting drivers and passengers to their digital lifestyles," said Kevin Dallas, general manager of Microsoft's Windows embedded business. "The beauty of building on the Windows Embedded Automotive software platform is that its flexibility has enabled Ford to create new, engaging in-vehicle experiences over the past three years for their consumers to enjoy behind the wheel. We're excited to see what new roads Sync explores in the future."

Ford said today that data analysis shows that Sync-equipped models of the 2008 Focus are worth more than those without Sync. It claimed that after one year in service, the Sync-equipped models sell for a US$240 premium on average.