| Hyundai Nu engine | |
| Production: | 2010–present |
| Manufacturer: | Hyundai Motor Company |
| Displacement: | |
| Block: | Aluminium |
| Head: | Aluminium |
| Valvetrain: | DOHC 16V D-CVVT |
| Fuelsystem: | MPI GDI |
| Fueltype: | Unleaded gasoline LPG |
| Oilsystem: | Pressure feed |
| Coolingsystem: | Water-cooled |
| Compression: | 10.3:1–12.7:1 |
| Predecessor: | Beta |
| Successor: | Smartstream G2.0/L2.0 (for 2.0L Nu) |
| Redline: | 6,800 rpm |
| Configuration: | Inline-four |
| Width: | (MPi/GDi) (HEV/Atkinson) |
| Height: | (MPi/GDi/HEV) (Atkinson) |
| Weight: | (1.8L) (2.0L) |
| Idle: | 660 rpm |
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.
The Nu features a bore x stroke of with a compression ratio of 10.3:1 or 10.5:1 depending on the revision. This engine features[1] MPI, and Dual-Continuous Variable Valve Timing aka D-CVVT. Power output is at 6,500 rpm with of torque at 4,700 rpm.[2]
Hyundai Nu engine Specification:
The Nu version of this engine features the same bore but with a longer stroke of . First revision of the G4NA engine makes at 6,500 rpm and at 4,800 rpm while later revisions produce at 6,200 rpm and at 4,500 rpm.
Primary change is adding the CVVL, the engine produces at 6,700 rpm and at 4,800 rpm.
The Atkinson Cycle version of the Nu MPi 2.0L was first released for the sixth generation Hyundai Elantra, compression ratio is 12.5:1 and it produces at 6,200 rpm with of torque at 4,500 rpm.
The engine promises improved fuel economy vs the Nu MPi 2.0L (G4NA) engine and better thermal efficiency.
The Nu GDi version of this engine features the same bore but with a longer stroke of that produces at 6,500 rpm with of torque at 4,700 rpm. The G4NJ is used by Yueda Kia in China; it produces at 6,500 rpm with of torque at 4,500 rpm.[3]
Flex fuel compatible engine of the Nu MPi.
The Nu FLEX engine makes at 6,200 rpm with of torque at 4,700 rpm.
The Nu MPi Hybrid version of this engine combines a 2.0L engine with an electric motor and a battery, the petrol engine makes at 6,000 rpm with of torque at 5,000 rpm.
The Nu GDi Hybrid version of this engine combines a 2.0L engine with an electric motor and a 1.76KWh battery, the petrol engine makes at 6,000 rpm with of torque at 5,000 rpm while the electric motor makes with of torque for a combined power rating of .
Uses Liquefied petroleum gas instead.
The Nu LPi version of the engine makes at 6,200 rpm with of torque at 4,200 rpm.
On December 2, 2020, Hyundai and Kia recalled 423,000 vehicles equipped with various engines following a joint review by Hyundai and the NHTSA, of which the Nu GDi engines were a part of. Affected vehicles include the 2016 Hyundai Sonata Hybrid,[4] 2014-2015 Kia Forte and Forte Koup, and the 2014-2015 Kia Soul.[5]
Nu Engine in the LF Hyundai Sonata Hybridhttp://www.hyundainews.com/us/en/models/sonata-hybrid/2017