[update] Opel and Vauxhall have released images and details.

The car is programmed to go on sale next year as the Opel Karl and Vauxhall Viva, serving the role of an entry-level model cheaper than the Adam with an estimated starting price of £7,500 (€9,500). It's 3680mm long and will be offered with several alloy wheel sets ranging in sizes from 14 to 16 inches.

Customers will have to pick from ten exterior paints while the interior cabin can feature heated front seats & steering wheel, sunroof, cruise control, park assist and lane departure warning. There's also the IntelliLink infotainment system while the steering system features a city mode to reduce driver effort.

Power will come exclusively from a three-cylinder 1.0-liter naturally aspirated gasoline engine developing 75 HP (55 kW) delivered to the front wheels through a five-speed manual gearbox. Opel and Vauxhall say the chassis has been tweaked to provide "exceptional safety and comfort" and both cars come with traction control, hill start assist and electronic stability control.

The Opel Karl / Vauxhall Viva will go on sale mid-2015.

Gallery: This is the Opel Karl

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