Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Porsche seeks oldest models in America

Does an AutoWeek reader own one of the oldest Porsches in America? We hope so, and Porsche has thrown open a Web site registry at www.porsche60years.com to find out. Called My Classic Porsche Search, the program is intended to find and document the oldest of the brand's models in the United States as part of the company's celebration of its 60th anniversary in the United States.

First Sight: Mercedes-AMG GT

“If I was to buy any sports car that wasn't a Mercedes, it'd be a Porsche 911,” says Mercedes' head of design, Gorden Wagener. “But when you see the two cars together, we think ours has the edge.” He's talking about the new Mercedes-AMG GT, a front-mid engined, two-seater sports car that's unashamedly aimed at higher-end 911s, and we've come to see it at Mercedes' Sindelfingen studio.  The GT replaces the larger SLS, and is seen by Wagener as the best example yet of his 'sensual purity' design philosophy: “The SLS is very much [he gestures] line, line with a surface in between. With the GT we started with the surface and worked to refine and reduce the number of lines.” Elements of the SLS's platform have been carried over, so the GT measures the same 1,939mm wide.

Bob Lutz to join EV start-up VIA Motors

Robert Lutz, the former General Motors Co. vice chairman who rejoined the automaker this month as an adviser, has taken a position with electric vehicle maker VIA Motors. Lutz's role at GM won't change because of the move, a GM spokesman said.