Set to debut at the Geneva Motor Show, the concept builds on the Prologue Coupé concept shown at the LA Auto Show and brings a new interpretation of the Audi Avant philosophy.

With a length of 5.11 metres, a wheelbase of 3.04 metres, a width of 1.97 metres and a height of 1.4 metres, the Audi prologue Avant is a little larger than the two-door coupé Audi prologue. It also features four individual seats, four doors and a large tailgate along with a stretched roof and extremely flat D-pillars

Under the bonnet, the plug-in hybrid drive of the Audi prologue Avant is almost identical to the powertrain in the Audi Q7 e-tron quattro which will be launched in summer 2015 and uses a 353PS 3.0 TDI engine with a 100kWk electric motor, giving 455PS and 750Nm of torque. It’s also equipped with an eight‑speed tiptronic and quattro permanent all-wheel drive.

The show car accelerates from 0 to 100kph in 5.1 seconds. Its top speed is limited to 250kph (155mph). The Audi prologue Avant is capable of returning up to 1.6l/100km (176mpg UK) combined according to the NEDC standard for plug-in hybrid vehicles – corresponding to 43g/km. There’s also a 14.1kWH lithium-ion battery pack in the rear, giving the car a range of 54km (33.6 miles) in pure electric drive mode.

With its AWC (Audi wireless charging) technology which Audi is developing for series production, the battery can also be charged inductively.

Other features include dynamic all-wheel-drive steering and “high-end series production chassis technology” for the chassis.