Cadillac CTS 4D Sedan (2015–2019 model)2.0L Turbo I4 DI DOHC VVT, 8-speed automatic transmission, RWD. Experience SUV-level speed with “Crazy Turbo” performance. Fuel economy is as good in economy mode. Turbo I4 means a 4-cylinder engine that is both efficient and fast, paired with an 8-speed transmission for smooth performance.No text calls only