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BMW M6 Gran Coupe (2013): first official pictures

This is the BMW M6 Gran Coupe. Matching the M6 coupe's twin-turbo powertrain to the 6-series Gran Coupe's slinky body, think of it as a sexier, slightly faster alternative to the three-box M5 saloon. The M6 Gran Coupe is on sale from 25 May 2013, after a Detroit motor show reveal in January.

Porsche Panamera to get new V6 engine

Porsche will reveal two new 3.6 V6 petrol versions of the Panamera at the Beijing motor show 2010. These are the first official photos of the new models, the Panamera and Panamera 4, which will be offered as cheaper alternatives to the S, 4S and Turbo versions. In the rear-wheel drive entry-level Porsche Panamera, the new 296bhp, 295lb ft V6 powerplant produces 265g/km of CO2 and will manage just 25 miles on a gallon of fuel.

Fiat unveils new 900cc TwinAir two-cylinder engine

Fiats of old used to feature noisy two-cylinders with a fetish for overheating, yet the Italians are at it again, this week releasing details of their new TwinAir two-cylinder 900cc engines. You can see how it works in our video below. The new engines, the first in a series of two-cylinders by the Italians, are designed to trump all other downsizing efforts. Headline figures from the 83bhp twin are 23% more power than the regular 1.2 four-pot and the same as a 1.4 16v - yet with 30% less consumption.