Audi has unveiled an attractive technical study, the A3 concept at the 2011 Geneva Motor Show. The four-seat notchback sedan integrates the full breadth of the brand’s technological expertise, from the improved MMI operating system, to the high-tech infotainment system, to the drivetrain. A five-cylinder turbo developing 300 kW (408 hp), a seven-speed S tronic and quattro permanent all-wheel drive ensure thrilling dynamics along with high fuel efficiency. Will the next A4 take cues from the A3 concept? Only time will tell.