The 2018 audi a8 is being reviewed by various outlets, with information on its prices, ratings, and specs available. However, there is some inconsistency in the model year being reported, with some outlets covering the 2016, 2017, 2018, and 2019 versions of the audi a8, as well as a different model, the audi a6. The reviews and information appear to be focused on providing details about the vehicle's features and pricing.