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The A6 is Audi's executive sedan, covered from the 1994 C4 through the C5, C6, C7 and C8 generations. Engines range from four-cylinder TFSI and V6 TDI units to the supercharged and turbo 3.0-liter V6.


Model year 2011 is part of the A6 C6 generation (2005–2011). It is the last model year of this generation and includes the running changes made during production, which is why a manual for the exact year matters.
Check the model year on your VIN: on a 2011 vehicle the 10th character of the 17-digit VIN is “B”. 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 15 years old, a 2011 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: 2005 Audi A6, 2006 Audi A6, 2007 Audi A6, 2008 Audi A6, 2009 Audi A6, 2010 Audi A6.
All Audi A6 model years: 1994 · 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
10-cylinder direct petrol injection engine (5.0 ltr. 4-valve turbo RS 6), mechanics BUH
10-cylinder direct petrol injection engine (5.2 ltr. 4-valve), mechanics BXA
4-cylinder TDI engine (2.0 ltr. 4-valve common rail), mechanics CAGB CAHB CAHA
4-cylinder TDI unit injector engine (2.0 ltr. 4-valve), mechanics BLB BNA BRE BRF BVG
4-cylinder direct petrol injection engine (2.0 ltr. 4-valve turbo), mechanics BYK BPJ
6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail), mechanics BMK ASB BNG BPP BSG
6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail, EU5), mechanics CANA CDYC CDYB CDYA CAND CANB CANC
6-cylinder direct injection engine (2.8 ltr. 4-valve), mechanics BDX CCDA CCEA
6-cylinder direct injection engine with supercharger (3.0 ltr. 4-valve TFSI), mechanics CAJA CCAA
6-cylinder direct petrol injection engine (3.2 ltr. 4-valve), mechanics BYU BKH AUK
6-cylinder injection engine (2.4 ltr. 4-valve), mechanics BDW
6-cylinder injection engine (3.0 ltr. 5-valve), mechanics BBJ
8-cylinder direct petrol injection engine (4.2 ltr. 4-valve), mechanics BVJ
8-cylinder engine (4.2 ltr. 5-valve with timing chains), mechanics BNK BAT
4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II) CGLC CGLD CMGB CGLE
4-cylinder TDI engine, 2.0 ltr. 4-valve common rail (EA 288 Gen. I) CNHA CSUE CSUD CZJA DDDA DDCA DDCB
4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve TFSI - generation III) CYGA CYNB CYPB CYYA CYPA
4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve turbo TFSI - generation II) CDNB CAEB CDZA CHJA CAED
6-cylinder TDI engine (3.0 ltr. 4-valve common rail - generation II) CLAA CLAB CDUC CGQB CKVB CDUD CKVC CPNB CTCB CTCC CVUA CVUB
6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. I) CRTD CRTE CRTF CZVD CZVB CZVE CZVA CZVC CZVF
6-cylinder direct injection engine (2.5 ltr., 2.8 ltr. 4-valve) CHVA CNYA CLXA CNYB CLXB CVPA
6-cylinder direct injection engine with supercharger (3.0 ltr. 4-valve TFSI) CGWB CGXB CHMA CGWD CTTA CTUA
6-cylinder direct injection engine with supercharger (3.0 ltr. 4-valve TFSI, EA837evo) CREC CTDA CRED CTDB CREH
8-cylinder direct injection engine (4.0 ltr. 4-valve TFSI) CEUC CRDB CEUD CWUB CWUC CTGE CWUA
