The audi a6 is being reviewed in various model years, including 2020 and 2021, with some outlets focusing on specific trim levels such as the 45 tfsi s line. Reviews of used audi a6 models from 2018 to 2025 are also being published. Additionally, there are reports of new audi a6 models, including the allroad, being released with updated features such as plug-in drivetrains.