2015 Audi A4 Available Trims/Specs: 1.8 TFSi, 2.0 TDi, 2.0 TDi Quattro, 3.0 TDi, 3.0 TDi Quattro, 3.0 TFSi, 3.0 TFSi Quattro, 1.4 TFSi, 2.0 TDi ultra, 2.0 TFSi, 2.0 TFSi Quattro, 2.0 TFSi mHEV, 2.0 TFSi ultra, 1.8 TFSi Quattro, 2.0 TFSi flexible, 2.0 TFSi (DBA-8KCDN), 2.0 TFSi Quattro (DBA-8KCDNF)