Audi has announced plans to bring the all-new 2016 A3 Sportback e-tron to the United States this October. What will buyers be able to get with this new model? Under the Hood The A3 Sportback e-tron is a plug-in hybrid. If features a 1.4 liter TFSI® engine with a six-speed S tronic® transmission. Audi says that when the engine and transmission