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

Video: Adrian van Hooydonk on the BMW 4-Series Coupe concept

BMW's Director of Design Adrian van Hooydonk explains the design strategy behind the 4-Series Coupe concept's design in a video interview filmed at the car's reveal at the Munich Design Night. He talks us through how the design team played with the wheelbase length to create new shapes and convey a sense of "elegance and power". Check out the full story and gallery of the BMW 4-Series Coupe concept for more information on the car that will replace the 3 Series coupe.

Peugeot 308 hits almost 100mpg

Peugeot Peugeot has proved that three-figure fuel economy figures for petrol engines might not be too far from becoming a reality, as its new 308 has set what it claims is a record of 99.1mpg. The 2014 European Car of the Year, powered by a 1.2-litre turbocharged petrol Puretech engine, covered 1,124.7 miles on just one tank of fuel when tested on a track in Spain. Top 10 most economical carsPeugeot 308 review (2013 onwards) In doing so, it took more than 32 hours of driving to consume the 51.4-litre contents of its fuel tank.

Subaru Impreza 4dr (2011) first official picture

Subaru has released this solitary photo of the new US-spec Impreza. The Impreza, in four-door saloon and five-door hatchback form, will debut at the 2011 New York motor show on 20 April. The new Subaru Impreza – the lowdown The new Impreza draws design inspiration from 2010's Impreza Design Concept, and the current Legacy saloon. Although you'd be hard-pressed to tell, as Subaru has seen fit to issue this single photograph in a fairly uninspiring shade of burgundy red.