Porsche Panameras with 300-hp V6 to arrive in the United States in June

The six-cylinder siblings of the V8 Porsche Panamera will hit U.S. shores in June, packing 300 hp and starting at $75,375 for the rear-wheel-drive model. The all-wheel-drive version, called the Panamera 4, starts at $79,875, including destination charges.

Video: Exploring the new Mercedes-Benz C-Class

To coincide with the announcement that its new C-Class has entered production, Mercedes-Benz has released a video exploring its design. Featuring design chief Gordon Wagener and other key members of the team, the video explains where their inspiration came from and how they experimented with proportions during its development. While the dropping bodyside feature line is a key element of the exterior, it's also found inside the C-Class, where the typical Mercedes sports car interior is combined with the floating, vertical center console.

One Lap of the Web: Peking to Paris Rally, classic car inspection guide and pointless cars

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Join the Hooniverse debate as they ask: What's the dumbest car sold on the market today?