The 2015 Audi TT has a 2.0 L base engine size.
The 2015 Audi A3 has a 1.8 L base engine size.
The 2015 Audi TT has an inline 4 engine.
The 2015 Audi A3 has an inline 4 engine.
The 2010 Audi Q5 has a 3.2 L base engine size.
The 2009 Audi TT has a 2.0 L base engine size.
The 2007 Audi A4 has a 2.0 L base engine size.
The 2007 Audi A6 has a 3.1 L base engine size.
The 2006 Audi A6 has a 3.1 L base engine size.
The 2004 Audi A4 has a 1.8 L base engine size.
The 2010 Audi A6 has a 3.2 L base engine size.
The 2011 Audi A6 has a 3.2 L base engine size.