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We cover two A7 Sportback generations: the 4G (2010 to 2018) with supercharged 3.0-liter V6 power, and the 4K (from 2018) with a 3.0-liter turbo V6 and 48-volt mild hybrid. The S7 and RS7 use twin-turbo V8 engines.


Model year 2021 is part of the second-generation A7 (4K) (2019–2026). Most procedures are shared with the other years of this generation, but engines, options and wiring changed from year to year, so the manual is made for the 2021 model year.
Check the model year on your VIN: on a 2021 vehicle the 10th character of the 17-digit VIN is “M”. 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 5 years old, a 2021 vehicle is usually past its basic warranty. Typical jobs at this age are brakes, suspension parts, fluids, the 12V battery and diagnosing sensor faults with the factory wiring diagrams.
Same generation: 2019 Audi A7, 2020 Audi A7, 2022 Audi A7, 2023 Audi A7, 2024 Audi A7, 2025 Audi A7, 2026 Audi A7.
All Audi A7 model years: 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) DEZD DEZF DFBA DTPA DTPB
4-cylinder direct injection engine (2.0 ltr. 4-valve TFSI, EA 888 Gen. III) DKNA DKWB DLHA DLHB DLGA DPMA DKWC DLHC DKWD DSMA DTKA
4-cylinder direct injection engine (2.0 ltr. 4-valve TFSI, EA888evo4) DMTA DPAA DMTC DPUA DPVA DUVA DRYA
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 - Gen. II) DDVB DDVE DDVF
6-cylinder direct injection engine (3.0 ltr. 4-valve TFSI EA839) DKMB DLZA
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. I) CVMD
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 - Gen. III) DPXA DPXB DMGA DMGH DMGK
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. III, S4, S5, S6, S7, SQ5) DMKC DMKD
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 - Gen. II, S6, S7) DEWA
8-cylinder direct injection engine (4.0 ltr. 4-valve TFSI EA 825) DJPB DWLA
