After just having revealed the Audi S3 three-door hatchback, the German brand shows off his bigger brother. Meet the Audi S3 Sportsback. The car will be officially revealed at the Geneva Auto Show. The S3 Sportsback features a 2.0 TFSI engine containing 300 horsepower. This offers the driver to accelerate to 100 km/h in 5 seconds. Not bad, right?