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One lap of the Web: $52 million Ferrari 250 GTO, Alfa Romeo Montreal for sale and more bizarro engines

-- Even as the hammer fell on Juan Manuel Fangio's $30 million Mercedes-Benz W196R, we knew that that car wasn't the most expensive one ever sold -- it was merely the most expensive car sold at auction. Other cars were reported to have traded for a bit more in private sales. But now we have word of a car that absolutely blows the sale price of Fangio's little Silver Arrow out of the water: a 1963 Ferrari 250 GTO that sold to an undisclosed buyer for $52 million.

Latest GM shakeup shuffles execs in product planning, development

General Motors Co. has reassigned dozens of product development executives and appointed new heads of global product planning, powertrain engineering and quality in its latest departmental shakeup. Responsibility for global product planning moves to CEO Ed Whitacre from Vice Chairman Tom Stephens.

Video: Buick Invicta

General Motor's Buick brand is blossoming in China, so the automaker chose the largest Chinese Auto Show this year to unveil its latest concept: the Invicta. Unlike the Riviera concept shown in Shanghai last year, the Invicta is slated for production soon given the level of refinement we saw when we viewed the car in Beijing. And unlike some market-specific new cars unveiled at the show, the Invicta will make its way to other markets across the globe. Click on the image on the left to see a video of the development and the designers who worked on the Invicta concept car.