Audi released details of one of thir finest concept cars ever as it goes on stage at the Geneva Motor Show. The A3 Sedan might be a concept for no, but it’s literally production ready.

This sedan or ‘notchback’ saloon as Audi calls it, has everything you need for a joyful drive. It is a compact and comfortable four-door car that’s powered by a the magnificent 5-cylinder turbocharged VW engine. In the A3 sedan it develops 408 PS and peak torque of 500Nm. That means a 4.1-second 0-62mph time and a (limited) top speed of 155 mph.

In spite of the brilliant performance, the car returns 31 mpg with CO₂ emissions of 212g/km. A compact seven-speed S tronic twin-clutch transmission also helps to optimize efficiency, while at the same time delivering the trademark lightning-quick gear changes that are especially appropriate here.

Measuring at 4,440mm long, 1,840mm wide and just 1,390mm high, the A3 sedan benefits from some very advanced design and production methods. These include the use of custom-tailored blanks in the floor area, carbon fibre-reinforced plastic (CFRP) in varying proportions for the grille surround, front air intake, door mirror elements, rear apron and even the 20-inch alloy wheels, and aluminium for the bonnet, doors and tailgate.  The car weighs 1,540 kg and offers 410 liters of boot space.

The Audi drive select dynamic handling system appears for the first time in an A3, giving the driver five modes with which to fine-tune engine characteristics, power steering feel and gear shift points for the seven-speed S tronic transmission. As well as the more familiar comfort, auto, dynamic and individual settings, the latest iteration of the system features an efficiency mode designed for maximum economy.

The car also features the latest technologies designed to make the life easier for the driver. That shows best inside the cabin. Located behind the compact, flat-bottomed, three-spoke multifunction steering wheel are two analogue dial instruments with black dials and red needles, complemented by additional kidney-shaped displays. In between these is the large, eight-inch display for the driver information system.

Front sport seats with prominent side bolsters provide suitable anchorage for high- performance driving, and position occupants perfectly in relation to the dashboard with its aviation-inspired air vents and control knobs.

Professional sound system and an infotainment multimedia system with UMTS full access to the Internet, allowing the car to access services from Google is also provided and thanks to the WLAN hotspot, passengers can surf and send e-mail using their own computers. Holders for iPads are installed on the back of the front seat backrests.

Mind you, a production version with all these stuff won’t come cheap. Matter of fact it’ll be awfully expensive!