New concept cars imagine a luxurious, hi-tech future

They're wild, crazy and oh-so-luxurious. And they represent a vision of the future of luxury motoring.

Now Aston Martin has joined a raft of automakers, including Porsche, Rolls-Royce, BMW and Mercedes-Benz, in releasing new cutting-edge concept cars.

The concept models feature sleek designs and the latest technology, which include self-driving systems.

Flick through the gallery above to see the latest thinking from the world's most progressive car companies.

USA Today

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