Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

CAR interviews 'Mr GT3' Andreas Preuninger

The latest Porsche 911 GT3 boasts an all-new 469bhp 3.8-litre flat-six and is quicker than the legendary GT3 RS 4.0, but fans of this hardcore icon have voiced their concern over its new dual-clutch PDK gearbox and its steering (both the electric rack inherited from the 991-generation Carrera, and the new rear-axle steering).  Ahead of the 911 GT3's unveil at the 2013 Geneva show this week, CAR had exclusive access to the car, and to the man who headed the team that engineered it: Porsche's head of GT series production Andreas Preuninger. The controversial new Porsche 911 GT3 Preuninger built the first 996 GT3, and has been doing his  job for the past 12 years. We asked him all about the new GT3, including those controversial issues.

Glass’s Guide Luxury Cars price crash

I think we all knew it was happening, but Glass’s guide, the trade bible for used car values, has confirmed that luxury cars in the UK have fallen out of bed in a big way. Comparing luxury diesel saloons with a year ago, they say that average values have dropped by a massive 21%. And in pure money terms the top end coupes, such as the Porsche 911, have fallen by 18%.

In-car DAB digital overtakes analogue radio

Digital Radio UK has delved into CAP and SMMT (Society of Motor Manufacturers and Traders) data, and found that DAB is now standard equipment on more new cars than analogue-only radio. As of April 2014, 55% of all new cars come with DAB digital radio as standard. On Bing: see pictures on in-car DAB digital radio Find out how much a used car with DAB digital radio costs on Auto Trader This figure is up from 37.2% in April 2013, and just 3.6% in April 2010.