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

BMW Concept 4-series Coupe (2012) first photos

BMW is overhauling the 3-series Coupe - it'll be replaced in 2013 by the new 4-series Coupe and Convertible, previewed in this remarkably production-ready concept car. Munich reserves the 'Concept' moniker for its show cars which are in reality showroom ready. So strip away the sexed-up exhausts, 20in wheels and other trinkets and what you're looking at here is the new 2013 BMW 4-series.

GM's next eco-concept car

By Ben Oliver Motoring Issues 12 October 2007 11:18 General Motors will unveil a European concept car built on its radical new E-Flex platform at September’s Frankfurt Motor Show. The concept will feature radical styling, with a diesel engine acting as a generator for the concept’s electric motor. And General Motors is believed to be collaborating with urban electric scooter manufacturer Segway; the unnamed concept may be able to carry one or more of the £4000, gyroscope-controlled devices for use in town once you’ve parked.A new type of plug-in hybrid, the E-Flex platform made its debut at the 2007 Detroit Motor Show in the Chevy Volt concept car.

Maserati shows Alfieri concept at the Geneva motor show

It's named the Alfieri concept, which Maserati will be the first to tell you is not the "Guyfieri." Otherwise, it'd come with a golden roof, a Ferrari V8 slathered in beer batter, and a deep-fried interior reeking of Cheetos and desperation. Make that balsamic vinegar, according to Maserati, the dark condiment evidently imbued with "a centenary tradition of craftsmanship and passion." Much like Maserati's celebration of its 100-year history at this Geneva auto show, as represented by the silver ingot shown above. Indeed the Alfieri concept, a gorgeous wide-grilled sports car more in line with the Porsche 911 than its own GranTurismo, is a celebration of Alfieri Maserati, one of the five brothers who founded the eponymous company.