TDI (engine)
TDI (Turbocharged Direct Injection) is the Volkswagen Group's term for its current common rail direct injection turbodiesel engine range that have an intercooler in addition to the turbo compressor. TDI engines are used in motor vehicles sold by the Audi, Volkswagen, SEAT, and Škoda marques, as well as in boat engines sold by Volkswagen Marine, and industrial engines sold by Volkswagen Industrial Motor.