Whatengine is in Audi A3 (8V) 1.6 TDI 110HP CleanDiesel Ambition S tronic 7 Speeds? The Audi A3 (8V) 1.6 TDI 110HP CleanDiesel Ambition S tronic 7 Speeds has a Inline 4, Diesel engine with 1598 cm3 / 97.5 cu-in capacity. How many horsepower (hp) does a 2014 Audi A3 (8V) 1.6 TDI 110HP CleanDiesel Ambition S tronic 7 Speeds have? Uxmo.