16 cars that use the VAG 1.8 20v turbo engine Friday 10th June 2022 Tagged as: VolkswagenAudiSkodaSeat Volkswagen’s use of a five-valves-per-cylinder turbocharged petrol engine was radical for the mid-1990s. Here are the VWs, Audis, Seats and Skodas that used it. Read more about 16 cars that use the VAG 1.8 20v turbo engine