The 2012 Audi TT has 16 valves.
The 2012 Audi Q5 has 16 valves.
The 2012 Audi A6 has 16 valves.
The 2012 Audi A7 has 24 valves.
The 2012 Audi A8 has 32 valves.
The 2012 Audi A5 has 16 valves.
The 2012 Audi S4 has 24 valves.
The 2012 Audi R8 has 32 valves.
The 2012 Audi Q7 has 24 valves.
The 2012 Audi S5 has 32 valves.
The 2012 Audi A3 has 16 valves.
The 2012 Audi A4 has 16 valves.