Idle Speed Motor - Crown# 83503643 on 2040-parts.com

2013 Chevy Sonic RS priced at $20,995

The sportier 2013 Chevrolet Sonic RS carries a sticker price of $20,995, including destination, when paired with a six-speed manual; the automatic version will sticker for $22,280. The RS differs from the base Sonic with unique transmission gearing in the manual and a higher, 3.53 final drive ratio for the automatic transmission. It's available only in hatchback form.

Porsche 911 Black Edition (2011) at 2011 Geneva motor show

The current Porsche 911 isn’t dead yet – this is the run-out Black Edition special. Just 1911 examples will ever be built, and it’s loaded with extras to keep 911 sales ticking over until the all-new version is unveiled later this year. Unlike the Carrera GTS, which is the most focussed (and brilliant) 911 this side of a Porsche Motorsport product, the Black Edition is based on the entry level Carrera.

New Audi A3 Cabriolet starts at £25,790 – first deliveries April 2014

New Audi A3 Cabriolet starts at £25,790 – first deliveries April 2014 The new Audi A3 Cabriolet – the fourth member of Audi’s A3 range – was revealed in September at the Frankfurt Motor Show and now, with first deliveries expected by spring 2014 in the UK, Audi has revealed the new drop-top A3 will cost from £25,790. That will buy you in to the entry-level SE trim which comes with a fully automatic roof in black, 16″ alloys, AirCon, MMI radio, iPod connection, DAB, Bluetooth and prep for an SD card Nav. The Sport and S Line sped A3s sit 15mm lower than the SE and get an acoustic folding roof in a choice of black, grey and brown and you can, if you wish, opt for the softer SE suspension or, if your season ticket for the chiropractor is up to date, spec the S Line with sports suspension.