New Skoda Rapid Diesel Automatic Review. . The new Rapid gets a 1.5-litre TDI diesel engine mated to a 7-speed DSG automatic that also underpins the updated VW Vento. Just so you know, the 1.5-litre engine is the stripped down version of the old 1.6-litre TDI that powered the old Rapid and Vento. Really Great