03 Ski Doo Summit Mxz 600 800 Seat #2 on 2040-parts.com

Here's what's really happening with the 2012 Cadillac XTS Platinum concept

Reports have surfaced this week that the Cadillac XTS Platinum concept has received the green light. That's not exactly true. We talked to Cadillac, and here's the inside dirt.

Video: Michael Mauer on the 991-series Porsche 911

Porsche has released a video featuring its Design Director, Michael Mauer, explaining how he and his team went about redesigning the 911, an ‘automotive, engineering icon' as he describes it. "What we as designers are striving to above all is to optimize the width to height ratio with the result that although the 911's width has not increased, the front axle area has become wider, and we've managed to make the roof a bit lower," Mauer explains via a rather dramatic-sounding voiceover.

New BMW M5 & M6 Competition Package & new 518d prices revealed

The competition package for the new M5 & M6 costs from £5,500 The arrival of the newly refreshed BMW 5 Series saw the arrival of a new entry-level point – the 518d – and the option at the other end of the scale of a Competition Package for both the M5 and M6 (in all three varieties). Now, BMW has decided how much they are going to cost you. The Competition Package for the M5 and M6 comes in a bit steeper than we’d expected (we reckoned it would cost around £5k), with the cheapest option being on the M6 Gran Coupe £5,500) and the most expensive on the M5 saloon (£6,700).