The fourth generation of Audi A8 was introduced for the 2018 model year. This new generation of A8 was known as the D5 as it was built on the Volkswagen D5 platform. This updated A8 was available in rear wheel drive or all wheel drive variants, and was built on a short or long wheelbase. Engine options available include V6, V8, and W12 units, as well as a hybrd option. The most notable A8 variant was the performance focused S8.