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We list the A4 across five generations: B5, B6, B7, B8 and B9. Engines include the 1.8T, the 2.0 TFSI, the 3.0 V6 and TDI diesels, with front-wheel drive or quattro.


The 2017 Audi A4 belongs to the A4 B9 generation, built for model years 2017–2025. It is the first model year of this generation: the platform, wiring and many procedures changed compared with the previous model, so a manual for an earlier year will not match it.
Check the model year on your VIN: on a 2017 vehicle the 10th character of the 17-digit VIN is “H”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.
At about 9 years old, a 2017 vehicle often needs work on the cooling system, timing components, suspension bushings, motor mounts and corroded electrical connectors, all jobs where the exact factory procedure and torque values save time.
Same generation: 2018 Audi A4, 2019 Audi A4, 2020 Audi A4, 2021 Audi A4, 2022 Audi A4, 2023 Audi A4, 2024 Audi A4, 2025 Audi A4.
All Audi A4 model years: 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026
Engines
4-cylinder TDI engine, 2.0 ltr. 4-valve common rail (EA 288 EVO) DEZB DEZE
4-cylinder TDI engine, 2.0 ltr. 4-valve common rail (EA 288 Gen. I) DETA DEUA DEUB CZHA DESA DEUC DETB
4-cylinder direct injection engine (1.4 ltr. 4-valve TFSI EA211) CVNA
4-cylinder direct injection engine (2.0 ltr. 4-valve TFSI, EA 888 Gen. III) CYRB CYMC CYRC CWPB DDWA DKNA
4-cylinder direct injection engine (2.0 ltr. 4-valve TFSI, EA 888 Gen. III, B cycle) CVKB DBPA CWNA DEMA CVLA DHDA DLVB DKUB DLVA DKUA DKYA
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 - Gen. II) DCPC DCPE
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. I) CSWB CRTC
6-cylinder direct injection engine (2.9 ltr., 3.0 ltr. 4-valve TFSI EA 839) CWGD DECA
