Audi S3 Sportback Unveiled with 300-HP By Jason Siu Feb 13 2013 Share this Article Tweet Audi has officially revealed its new S3 Sportback, boasting best-in-class performance thanks to a 2.0-liter TFSI engine with 300 hp and 280 lb-ft of torque. Continue Reading... Filed under: Audi Family Sedans Featured Articles German Hatchbacks Luxury Cars Sedans WagonsTags: 2013 geneva auto show, 2013 Geneva Motor Show, Audi, audi s3, audi s3 sportback, german cars, S3, s3 sportback