Spectre Performance 4675 Collector Bolt Set on 2040-parts.com

Rinspeed to debut autonomous XchangE concept at Geneva motor show

Dutch coachbuilder Rinspeed has built a reputation for imagining and creating cars from 10 years in the future and making them a reality, either for well-heeled customers or for auto show crowds. So it came as no surprise when it revealed its newest project slated for the 2014 Geneva motor show, meant to preview the interiors of the self-driving cars of tomorrow. Yes, that's a Tesla Model S underneath with a (mostly) muted restyling of the front fascia, though it is really the interior that's meant to be the showpiece.

Hennessey Performance boosts McLaren MP4-12C

Hennessey Performance Engineering has a new power package for the McLaren MP4-12C. For $19,500 (plus the base price of the car, obviously) it pushes output to 704 hp and 538 lb-ft of torque. That's an increase of 88 hp and 96 lb-ft.

Porsche Cayenne Hybrid (2007): first official pictures

By Ben Pulman First Official Pictures 26 July 2007 04:57 A Porsche hybrid? That's right, and CAR Online has just returned from a visit to Weissach - Porsche's R&D HQ near Stuttgart - where we were given the full lowdown on the Cayenne Hybrid. Porsche's hand has been forced by the current public and political climate surrounding CO2 and global warming - and the company has taken the unusual step of showing its prototypes even though they're a few years from production.