The 2012 Audi R8 has a 4.2 L base engine size.
The 2012 Audi TT has a 2.0 L base engine size.
The 2012 Audi TTS has a 2.0 L base engine size.
The 2012 Audi S4 has a 3.0 L base engine size.
The 2012 Audi S5 has a 4.2 L base engine size.
The 2012 Audi A5 has a 2.0 L base engine size.
The 2012 Audi A3 has a 2.0 L base engine size.
The 2012 Audi A6 has a 2.0 L base engine size.
The 2012 Audi Q5 has a 2.0 L base engine size.
The 2012 Audi A8 has a 4.2 L base engine size.
The 2012 Audi A4 has a 2.0 L base engine size.
The 2012 Audi Q7 has a 3.0 L base engine size.