Chrysler 2.2/135 Badger Pistons (cast) .030 Os on 2040-parts.com

Watch the Audi Sport Quattro tear up the back roads

Audi revealed its 700-hp Sport Quattro concept at the Frankfurt motor show in September; the car pays homage to the classic rallying Sport Quattro from the 1980s. On Monday, the automaker uploaded a video of the upcoming vehicle to celebrate 100,000 Facebook likes on its German social-networking page. The video shows the Quattro whipping and gripping through a forest/mountain stage.

CDN-GM Interactive Competition: Phase 2 deadline extended until Sunday 28 September

Due to the number and quality of the entries that are still pouring in we've extended the deadline for this phase of the CDN-GM Interactive Design Competition to give you a couple more days to upload your work. Remember that during this phase, while your design needn't be fully finalized, you should be firming up your major themes based on your Phase 1 work and the feedback comments from the Mentors and your peers. The entrants progressing to Phase 3 will be announced next week for the final phase of this year's contest ahead of the announcement of the winners in January.

Mercedes tease the 2014 S Class with a work of art

The 2014 Mercedes S Class isn’t due to be revealed until 2013, but Mercedes will be teasing it at the Paris Motor Show with a sculpture. New car model teases usually take the form of dark photos or photos showing obscure detail. But Mercedes are taking a different route with the new S Class with an artistic sculpture.