I am going with the Automatic conversion as this will be my commuter vehicle and I want my hands free to drink my coffee on the way to work in the morning . I currenly drive a manual and I just feel it will be a better fit for me in my situation, but I do understand those folks that choose the manual trans. From what I have read on here about the Auto conversion kit I am satisfied that it will be a good product.As BigDog pointed out all Elio's essentially start out with the same manual transmission but the automatic adds a number of components to that transmission designed to operate the clutch and shift gears so as they are adding parts to the base transmission this would off course also add cost.