The Hyundai Nu engine was introduced in the 2011 Hyundai Elantra to replace the previous Beta engines. It was designed to fill the gap between the new Gamma 1.6L and the 2.0L Theta II.
Hyundai Nu engine
The G4NC Nu GDi engine in a Kia Forte
The Hyundai Beta engines are 1.6 L to 2.0 L I4 built in Ulsan, South Korea.
1.8L G4GB "XD18" Elantra 1.8GL Early Model(JDM)