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

Audi A6 allroad 3.0 TDI is the five millionth Audi with quattro 4WD

The first Audi qauttro hit the headlines in 1980 and now – 33 years later – Audi has produced its five millionth car with AWD – an A6 Allroad. It’s thirty years since Audi became the first mainstream car maker to offer a four wheel drive road car when the Audi quattro hit the road, offering a (certainly for then) fulsome 200PS with the added reassurance of four wheel drive for added grip. True, others had flirted with 4WD road cars before Audi made it mainstream, such as Jensen with the FF in the 1960s, but Audi’s bold move was a real first for a mainstream maker, even if the Audi quattro was not exactly an entry-level model.

GM's Ed Welburn walks Jay Leno through the Elmiraj concept's design [w/Video]

General Motors' vice president Global Design Ed Welburn stars in the latest of the 'Jay Leno's Garage' YouTube series, running the talk-show host through some of the new Cadillac Elmiraj concept's design features and what it means for the brand's future. We get a look at all the classic Cadillac design cues such as the vertical headlamps and tail lamps as well as the central hard crease that Welburn says is "important in every Cadillac". Leno and Welburn then move onto the Elmiraj's features, such as the large doors' integrated handles and the slimmer A-pillars before a more in-depth look at one of the concept's most striking features – the grille.

McLaren MP4-12C sold out until 2014

McLaren MP4-12C - you'll have to wait 'til 2014 to get one. It was always likely that the McLaren MP4-12C would be a popular buy. Especially with the promise of F1 fairy dust sprinkled over the first new road car from McLaren in almost a generation.