Audi A4 (B9, 2017–2025) — choose year
Audi A4 B9 — select a year for factory specs, brake and fluid guides, and upgrade-friendly maintenance references.
2017
2017 Audi A4 (B9) — manual downloads and performance-minded service guides.
2018
2018 Audi A4 (B9) — manual downloads and performance-minded service guides.
2019
2019 Audi A4 (B9) — manual downloads and performance-minded service guides.
2020
2020 Audi A4 (B9) — manual downloads and performance-minded service guides.
2021
2021 Audi A4 (B9) — manual downloads and performance-minded service guides.
2022
2022 Audi A4 (B9) — manual downloads and performance-minded service guides.
2023
2023 Audi A4 (B9) — manual downloads and performance-minded service guides.
2024
2024 Audi A4 (B9) — manual downloads and performance-minded service guides.
2025
2025 Audi A4 (B9) — manual downloads and performance-minded service guides.