2020 Audi A4 gets subtle refresh
Audi A8 - Wikipedia
2021 Audi A4 review: No-nonsense, entry-level luxury - CNET
2020 Audi S4 review: A sweeter sweet spot - CNET
2015 Audi A4: Audi's Next Most Important Model
2020 Audi A4 refresh actually comes with a price cut - CNET
2020 Audi A4 Overview: Core Insights and Features
2020 Audi A4 Review Power, Size And Luxury
2020 Audi A4 refresh actually comes with a price cut - CNET
Audi A4 2020 in-depth review
2021 Audi A4 review: No-nonsense, entry-level luxury - CNET
The Audi A4 and S4 sedans get a visual refresh - CNET
Audi A4 2020 Review – Australia
2020 Audi A4 / S4 Design Changes Explained In Walkaround Video