Here are the major areas of interest: No fixed gears, but uses a system of belt and pulley. Webfeb 10, 2024 · through the decades, the automatic transmission gained more gears for fuel efficiency, quicker shifts for better acceleration and computer controls for better. Webaug 23, 2024 · automatic transmissions generally provide better acceleration and higher top speeds due to their discrete gear ratios. Cvts offer a smoother driving experience.