The 2013 Hyundai Accent has 16 valves.
The 2013 Hyundai Elantra has 16 valves.
The 2013 Hyundai Veloster has 16 valves.
The 2013 Hyundai Equus has 32 valves.
The 2013 Hyundai Genesis has 24 valves.
The 2013 Hyundai Tucson has 16 valves.
The 2013 Hyundai Sonata has 16 valves.
The 2013 Hyundai Azera has 24 valves.
The 2013 Hyundai Elantra-GT has 16 valves.
The 2013 Hyundai Elantra-Coupe has 16 valves.
The 2013 Hyundai Genesis-Coupe has 16 valves.
The 2013 Hyundai Santa-FE has 16 valves.