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

Who's Where: Mamoru Aoki and Koji Nagano promoted to Nissan executive design directors

Mamoru Aoki and Koji Nagano have been promoted to Nissan executive design directors, reporting to head of design Shiro Nakamura. Mamoru Aoki is now responsible for the design and development of all Nissan brand passenger and electric vehicles as well as design strategy and is based at the carmaker's Design Center in Atsugi, Japan. Koji Nagano – previously design director at Infiniti – now manages the design development of the new Datsun brand and Nissan brand light commercial vehicles.

Audi RS7 Sportback (2013) first official pictures

This is the new Audi RS7 Sportback, just unveiled at the 2013 Detroit auto show. It's an A7 Sportback given the hardcore RS treatment, meaning a 552bhp and 516lb ft 4.0-litre bi-turbo V8 that will sprint the RS7 to 62mph in 3.9sec. That's faster than the latest Porsche 911 – it seems life just got a bit harder for the Mercedes CLS63 AMG and BMW M6 Gran Coupe.

Audi A6 Avant (2011) first official pictures

This is the new Audi A6 Avant, a crucial new model for Audi UK as the current car makes up 43% of A6 sales here in Blighty. The new Audi A6 Avant is bigger, lighter and better all round than the model it replaces. Important stuff first – how big is the boot on the new Audi A6 Avant? We’ll get there in a moment, but first let’s mention the optional ‘gesture-controlled’ boot lid.