The 2014 Audi S7 has a 4.0 L base engine size.
The 2014 Audi A7 has a 3.0 L base engine size.
The 2014 Audi TT has a 2.0 L base engine size.
The 2014 Audi A6 has a 2.0 L base engine size.
The 2014 Audi Q5 has a 2.0 L base engine size.
The 2014 Audi S4 has a 3.0 L base engine size.
The 2014 Audi S6 has a 4.0 L base engine size.
The 2014 Audi Q7 has a 3.0 L base engine size.
The 2014 Audi TTS has a 2.0 L base engine size.
The 2014 Audi A4 has a 2.0 L base engine size.
The 2014 Audi A8 has a 3.0 L base engine size.
The 2014 Audi A5 has a 2.0 L base engine size.