Audi is plotting a four-seat city car capable of 282mpg. The car will be based on the current Audi A1 platform.

Wolfgang Durheimer, Audi’s new head of technical development told Autocar that the car, known internally as the Audi ‘1.0-litre car’, will be based on the platform of the current A1 and will be an ‘affordable’ full four-seater that offers ‘all the creature comforts of a normal car, including climate control’.

Although details are still sparse, what promises to be the most economical family car ever sold will have electrical assistance, but it won’t use the two-cylinder diesel engine seen in the two-seat VW XLR-1 prototype.

Durheimer says the 1.0-litre car can use a modified version of the A1’s steel platform “because weight is not the biggest engineering challenge with this project”. However, it is expected that the car’s interior will be radically lighter than normal, as will the suspension system.

Audi could use a new type of injection-moulded carbonfibre for some components, which can be made in just two and half minutes, hugely more rapid process than conventional carbonfibre manufacturing. It’s thought that the project is at least three years from the showroom.

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