The 2013 Audi TTS has 16 valves.
The 2013 Toyota Tacoma has 16 valves.
The 2013 Dodge Challenger has 24 valves.
The 2013 BMW M6 has 32 valves.
The 2013 Audi A4 has 16 valves.
The 2013 Nissan Maxima has 24 valves.
The 2013 Lincoln Navigator has 24 valves.
The 2013 Honda Fit has 16 valves.
The 2013 Nissan Sentra has 16 valves.
The 2013 Toyota Prius has 16 valves.
The 2013 Jeep Wrangler has 24 valves.
The 2013 Toyota Venza has 16 valves.