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

The 15 most significant cars of the 2011 Frankfurt motor show

Over 100 new cars were unveiled at the 2011 Frankfurt motor show, but which are the most important? From production cars to concepts that will never be built, CAR's road test editor Ben Pulman, decides on the 15 most significant models premiered at the IAA...  1 – Land Rover DC100 concept Chunky and funky, it’s Land Rover’s Evoque, the Defender urbanised, modernised and stylised for the 21st century. Range Rovers have become too ‘bling’, but the DC100 has the restrained elegance of the Disco 3 – we’ll ignore its bright yellow sister, the speedster-style DC100 Sport.

Porsche Macan makes UK debut in Harrods

The Porsche Macan has made its London and UK debut – in the window display of the world-famous Harrods department store. The new compact SUV will be on display in Harrods’ window until 5 February 2014, before formally arriving in UK Porsche dealerships two months later. On Bing: see pictures of the Porsche MacanPorsche Macan: 21 things we’ve learned Porsche says it chose Harrods not just because of the "cosmopolitan clientele" that frequent the Knightsbridge store, but also because the area is well known among enthusiasts hoping to spot some tasty supercars.

Mercedes S Class Coupe & GLA SUV Spy photos – from Mercedes

The new Mercedes S-Class Coupe & GLA Compact SUV have been testing in Death Valley With the petrolhead world getting used to seeing spy photos of new cars to come on a daily basis, car makers are getting in on the act with their own photos of suitably camouflaged new models. Mercedes already has a history of releasing spy photos of upcoming models, and we’ve recently had photos from Mercedes of the ‘baby’ SLS – the new Mercedes SLC – as well as previous spy shots of the SLS and SLK before they were launched. Now we have the head of Mercedes-Benz in the US, Steve Cannon, taking to Twitter to show the world what they’re busy hot weather testing in Death Valley.