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The A2 (1999 to 2005) is a compact five-door with an aluminum space-frame body. It used 1.4- and 1.6-liter petrol engines and 1.2- and 1.4-liter TDI diesels.


The 2005 Audi A2 belongs to the A2 (8Z) generation, built for model years 1999–2005. 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 2005 vehicle the 10th character of the 17-digit VIN is “5”. 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 21 years old, a 2005 vehicle is in the age range where wiring, rubber hoses, seals and corrosion repairs take most of the work, and where original factory information is hardest to find.
Same generation: 1999 Audi A2, 2000 Audi A2, 2001 Audi A2, 2002 Audi A2, 2003 Audi A2, 2004 Audi A2.
All Audi A2 model years: 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005
Engine
3-cyl. diesel direct injection engine (1.2 ltr. TDI), mechanics ANY
3-cylinder TDI unit injector engine (1.4 ltr. 2-valve), mechanics AMF ATL BHC
4-cyl. petrol injection engine (1.4 ltr.), mechanics AUA BBY
4-cylinder direct injection engine (1.6 ltr. 4-valve), mechanics BAD
