Hyundai Nu engine

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.

Ν-engine
      Nu Engine
Overview
ManufacturerHyundai Motor Company
Production2010-present
Layout
ConfigurationInline-four
Displacement1.8 L; 109.7 cu in (1,797 cc)
2.0 L (1,999 cc)
Block materialAluminium
Head materialAluminium
ValvetrainDOHC 16V D-CVVT
Compression ratio1.8 L 10.3:1
2.0 L MPI 10.3:1
2.0 L GDI 11.5:1
RPM range
Redline6800 rpm
Combustion
Fuel systemMPI, GDI
Fuel typeUnleaded gasoline
Oil systemPressure feed
Cooling systemWater-cooled
Output
Power output1.8 L 148 hp (110 kW) at 6500 rpm
2.0 L MPI 164 hp (122 kW) at 6500 rpm
2.0 L GDI 174 hp (130 kW) at 6500 rpm
Torque output1.8 L 131 lb⋅ft (178 N⋅m) at 4700 rpm
2.0 L MPI 148 lb⋅ft (201 N⋅m) at 4800 rpm
2.0 L GDI 157 lb⋅ft (213 N⋅m) at 4700 rpm
Chronology
PredecessorBeta


Nu MPi

1.8L

The 1.8 L (1,797 cc) Nu features a bore x stroke of 81 mm × 87.12 mm (3.19 in × 3.43 in). This engine features[1] MPI, and Dual-Continuous Variable Valve Timing aka D-CVVT pushing power output to 150 PS (110 kW; 148 hp) at 6,500 rpm with 18.1 kg⋅m (131 lb⋅ft; 178 N⋅m) of torque at 4,700 rpm.[2]

Hyundai Nu engine Specification:

  • Displacement: 1.8 L (1,797 cc)
  • Bore x stroke of 81 mm × 87.12 mm (3.19 in × 3.43 in) (offset crank to cylinder bore)
  • Compression ratio 10.3:1
  • Power: 150 PS (110 kW; 148 hp) @ 6500 rpm
  • Torque: 18.1 kg⋅m (131 lb⋅ft; 178 N⋅m) @ 4700 rpm
  • Redline 6800 rpm
  • Combustion Fuel system: MPI
  • Valvetrain: Chain driven roller DOHC 16V D-CVVT
  • Cylinder block & head: Aluminum
  • Intake: Valve controlled Variable Induction System

Applications

2.0L

The Nu 2.0 L (1,999 cc) version of this engine features the same 81 mm (3.19 in) bore but with a longer stroke of 97 mm (3.8 in) that produces 166 PS (122 kW; 164 hp) @ 6,500 rpm and 20.5 kg⋅m (148 lb⋅ft; 201 N⋅m) at 4,800 rpm.

Applications

2.0L Atkinson Cycle

The Atkinson Cycle version of the Nu MPi 2.0L was first released for the 2017 Hyundai Elantra and it produces 149–156 PS (110–115 kW; 147–154 hp) @ 6,200 rpm with 19.9 kg⋅m (144 lb⋅ft; 195 N⋅m) of torque at 4,500 rpm.

The engine promises improved fuel economy vs the normal 2.0L MPi and better thermal efficiency.

Applications

Nu GDi

2.0L

The Nu GDi 2.0 L (1,999 cc) version of this engine features the same 81 mm (3.19 in) bore but with a longer stroke of 97 mm (3.82 in) that produces 176 PS (129 kW; 174 hp) at 6,500 rpm with 21.7 kg⋅m (157 lb⋅ft; 213 N⋅m) of torque at 4,700 rpm.

2.0L Hybrid

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 156 PS (115 kW; 154 hp) at 6,000 rpm with 19.3 kg⋅m (140 lb⋅ft; 189 N⋅m) of torque at 5,000 rpm while the electric motor makes 52 PS (38 kW; 51 hp) with 20.9 kg⋅m (151 lb⋅ft; 205 N⋅m) of torque for a combined power rating of 205 PS (151 kW; 202 hp).

Applications

Nu LPi

2.0L

It is a hybrid variant with liquefied petroleum gas engine and electric motor.

It was used in Kia Optima LPI hybrid (DL3)

See also

List of Hyundai engines

References
  1. "2012 Hyundai Elantra Limited with 1.8L I4 Engine ~ Automobile Reviews". Autostills.blogspot.com. 2011-06-28. Retrieved 2012-05-10.
  2. "Specifications - 2012 Hyundai Elantra Limited - Yahoo! Autos". Autos.yahoo.com. Retrieved 2012-05-10.

Nu Engine in the LF Hyundai Sonata Hybrid http://www.hyundainews.com/us/en/models/sonata-hybrid/2017

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