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Classic Porsche models take on Laguna Seca at the Rennsport Reunion IV

Classic Porsche 550s will take on 550As, 356 GTs and RSKs at the fourth Rennsport Reunion on Oct. 14-16 at Mazda Raceway Laguna Seca in Monterey, Calif.--and that's just one class of Porsches. The reunion of Porsches and their famous drivers moves to the West Coast this year after two previous meetings at Daytona International Speedway and one at Lime Rock Park in Connecticut.

New Mercedes C-Class Estate price and specs – costs from £28,055

The new Mercedes C-Class Estate (pictured) costs from £28,055 The second variant of the new C-Class – the 2015 Mercedes C-Class Estate – was revealed last month offering proper load-lugging abilities together with the C-Class’s mini S-Class goodness. Now, with the new C-Class Estate due to arrive in the UK in September, Mercedes has revealed prices and specs for the initial launch range. Just three versions will be available at launch – the C 200, C 220 BlueTec and C 250 BlueTec – with the C 220 and C 250 sharing different power versions of Mercedes’ 2.1 litre diesel and the C 200 getting the 2.0 litre petrol.

CES: GM to open the dashboard to developers

At last year's Autoweek Design Forum, father of the iPod and Nest Labs co-founder Tony Fadell suggested that automakers concentrate on designing and building cars, leaving handset makers to handle infotainment. The latest announcements from Ford and GM -- in conjunction with the International CES -- suggest that automakers would rather treat the dashboard space as a handset. Yesterday, Dearborn, Mich., announced the Ford Developer Program, which opens up Sync to outside application development; now General Motors has announced a similar initiative.