Highlights from the press preview days at the North American International Auto Show in Detroit.

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Cadillac XTS concept: expect a production version next year.

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Bentley's chief operating officer Christophe Georges introduced the new Mulsanne flagship to the press.

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Buick Regal is based on European Opel/Vauxhall Insignia. GS concept uses 255hp 2.0-litre turbo petrol engine and four-wheel drive.

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Honda CR-Z hybrid sports car goes on sale next month in Japan. US and European sales follow later this year. This is the US-market version: the Japan/Europe car has significant differences.

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BMW Concept ActiveE is based on the 1-series, but with a 170hp electric motor and lithium ion battery pack.

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BMW officially unveiled the range-topping Z4 sDrive35i and M Sport body styling.

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Volkswagen's coyly-title New Compact Coupe could be the next Golf derivative.

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Mercedes E-class cabrio concept has a fabric roof which closes in just 20sec.

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GMC Granite looks great, but those A-pillars must be tricky to see around.

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Audi e-tron electric sports car concept – smaller than the R8-sized car shown last year. Claimed to have a top speed of 124mph, 0-62mph acceleration in 5.9sec and 155-mile maximum range.

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Cadillac CTS-V boasts supercharged 6.2-litre V8, goes on sale this summer.

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Chevrolet Cruze: looks rather portly around the midriff in this view.

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Nissan Leaf

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Fiat 500 EV

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2011 Mustang GT has all-new 412hp Coyote V8 – surely one of the last of its breed.

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New-generation Ford Focus is one of the most important launches of the show.

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Toyota's FT-CH concept, a 'compact hybrid' 22in shorter than a Prius but still said to offer plenty of passenger space. Styled at Toyota's European Design and Development Centre in Nice. Production version rumoured for 2011.

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Mini Beachcomber gives clues to Mini SUV due to make its debut at the Geneva Salon in March.

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US debut for Hyundai Blue-WILL plug-in hybrid concept

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Audi A8 is bigger than predecessor, but Audi claims 22% improvement in fuel consumption from FSI petrol and TDI diesel engines.

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Lancia Delta rebadged as a Chrysler. Expect more platform-sharing between Chrysler and Fiat products in the future.

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Mercedes show cars under wraps before the show opens.

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Debut for Volvo's electric C30 as a drivable prototype, with claimed 150km range.

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556hp Cadillac CTS-V also due to be revealed at NAIAS.

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BMW will reveal Z4 sDrive35i and M Sport bodystyling (above).

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Honda is set to follow CR-V concept (above) with production-ready car.

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Ford released images of the new Focus early in the morning on January 11.

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Detroit show is in the US motor industry's back yard

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January 11-12 are press preview days at NAIAS, followed by two industry preview days and a charity preview day. The public show runs January 16-24, 2010.

www.naias.com