What is it? The latest edition of the largest Infiniti sedan, with a new coupe-like form
The basics: 3.7-liter V-6 or 5.6-liter V-8; hybrid version in the works
On sale: Next year, with a December introduction for the production version at the L.A. Auto Show
Price: $50,000 (est.)

It's been teased in brief sketches, and now the 2011 Infiniti M is here--almost.

At the 2009 Pebble Beach Concours, Infiniti previewed the new luxury sedan with a virtual debut. Instead of rolling a prototype on its stage on the hill above the Lodge at Pebble Beach, designer Shiro Nakamura brought a foam sculpture, which was used as a backdrop for a projected skin that revealed the details of the coming 2011 model.

The look is inspired by the Infiniti Essence concept car, and bends in the direction of the four-door coupes coming from European automakers. It's akin in spirit to the new 2010 Jaguar XJ, also shown for the first time in North America, here in Pebble Beach.

With the new body style, comes a new powertrain range. The base car comes outfitted with Nissan's 3.7-liter V-6, which rates at about 330 horsepower in its other applications. That 2011 Infiniti M37 will be joined by the M560, which gets the big Endurance V-8 for a power output of more than 400 hp. Inside, an array of wood-grain and metal surfaces lend an even more upscale look than the current car. More details are due at the 2009 Los Angeles auto show in December.