The 2013 Audi TT-RS has 20 valves.
The 2013 Audi RS-5 has 32 valves.
The 2014 Audi RS-5 has 32 valves.
The 2014 Audi RS-7 has 32 valves.
The 2013 Audi RS-5 has a V8 engine.
The 2014 Audi RS-5 has a V8 engine.
The 2012 Audi TT-RS has 20 valves.
The 2014 Audi RS-7 has a V8 engine.
The 2013 Audi TT-RS has an inline 5 engine.
The 2012 Audi TT-RS has an inline 5 engine.
The 2013 Audi TT-RS has a 6-speed manual.
The 2014 Audi RS-5 is a gas-powered vehicle.