67 1968 Shelby Mustang Quarter Window Stop on 2040-parts.com

Audi A3 Cabriolet uncovered at the 2013 Frankfurt Motor Show

The covers have been pulled off the all-new Audi A3 Cabriolet at the 2013 Frankfurt Motor Show, prior to UK deliveries beginning in March 2014. The new A3 Cabriolet becomes the fourth version of the new A3 range to go on sale – and Audi has announced a surprise here in Frankfurt, by revealing a hot 300hp S3 Cabriolet variant will be joining the range.

Mercedes AMG engine guru to join VW

The man credited with development of Mercedes-Benz AMG's latest line of high performance gasoline engines, Friedrich Eichler, has been lured to the Volkswagen Group, where he will take up an as yet unspecified position this summer, sources with knowledge of the move tell Autoweek. Eichler, who joined AMG after working his way up through the ranks at Porsche, was instrumental in the development of AMG's naturally aspirated 6.2-liter V8, twin-turbocharged and naturally aspirated 5.5-liter V8 and twin-turbocharged 6.0-liter V12 that powers the Pagani Huayra. Friedrich Eichler also developed turbocharged four-cylinder engines for upcoming Mercedes AMG cars.

Tesla touts top sales at Detroit auto show

Tesla credits the "exceptional cold weather performance" of its Model S for 20 percent-higher-than-expected Q4 sales of 6,900 units, bringing total Model S sales worldwide to 25,000 so far. In fact, Tesla says its sedan does so well in the snow that the rear wheels are the only ones that need any torque. "This car performs outstandingly in winter conditions," said Tesla vp of vehicle engineering Chris Porritt in a video released the day of the Detroit Auto Show.