Mercruiser 470 Motor / Engine & Outdrive on 2040-parts.com

Listen: Upcoming Ford Focus ST to employ sound symposer

While BMW employs a digitally sanitized/perfected sound file to give M5 owners the proper sense of aggro urgency when motoring at pace, Porsche went a little more organic with its employment of a sound symposer to feed the 911's flat-six growl into the cabin of the extra-refined 991. Essentially, the sound symposer is an electrically controlled diaphragm in a tuned sound tube that brings the proper engine noises into the passenger compartment. It can be opened and closed by the car's onboard electronics to offer snarl when you want it and serenity when you don't.

Porsche Cayenne (2010 / 2011) teased

Porsche has 'Teased' the 2010/2011 Cayenne on its UK website Blimey, even Porsche are now playing the ‘Tease’ game with new car launches. What’s the world coming too? But this tease of the 2011 Porsche Cayenne is a little more subtle than the endless bombardment of teaser photos we get from many car makers these days.

Vauxhall Ampera Earth – entry-level Ampera launched

The Vauxhall Ampera Earth has been launched as an entry-level Ampera with a lower spec. Costs £34,995 before Government grant. The Vauxhall Ampera car – Vauxhall’s take on the range extender Chevy Volt – is a clever and appealing car if it wasn’t for the silly price.