The 2.0-liter Hyundai-Kia G4NM (Smartstream G2.0 MPi CVVL) has been produced since 2019 for the eighth-generation Hyundai Sonata and the Kia K5. It stands out with the CVVL continuously variable valve lift system and produces 160 hp.
Nu family: G4NB, G4NA, G4NC, G4ND, G4NE, G4NH, G4NG, G4NL, G4NN, G4NJ, G4NM, G4NS, G4NR.
Specifications
| Production years | since 2019 |
| Displacement, cc | 1999 |
| Fuel system | distributed injection |
| Power output, hp | 160 |
| Torque output, Nm | 196 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 97 |
| Compression ratio | 10.8 |
| Features | CVVL |
| Timing drive | chain |
| Phase regulator | Dual E-CVVT |
| Turbocharging | no |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Fuel consumption, L/100 km (for Hyundai Sonata 2021) — city — highway — combined |
9.4 7.4 8.5 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 120 |
The engine was installed on:
- Hyundai Sonata 8 (DN8) since 2019;
- Kia K5 3 (DL3) since 2019.
Disadvantages of the Hyundai-Kia G4NM engine
- A simple naturally aspirated engine with port injection;
- The only potential weak point is the CVVL system: no complaints yet, but it did fail on engines of the previous generation;
- Engines of this series do not tolerate overheating, so keep an eye on the cooling system;
- Outside its home markets, spare parts and used engines are hard to find.
Frequently asked questions about the Hyundai-Kia G4NM
How much power does the Hyundai-Kia G4NM make?
The Hyundai-Kia G4NM develops 160 hp and 196 Nm of torque.
How much oil does the Hyundai-Kia G4NM take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 0W-20.
Does the Hyundai-Kia G4NM have a timing belt or chain?
The Hyundai-Kia G4NM uses a timing chain.
Is the Hyundai-Kia G4NM turbocharged?
No, the Hyundai-Kia G4NM is naturally aspirated.
How long does the Hyundai-Kia G4NM last?
The typical lifespan of the Hyundai-Kia G4NM is ~250 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G4NM?
Hyundai Sonata 2021: city 9.4, highway 7.4, combined 8.5 L/100 km.
What cars was the Hyundai-Kia G4NM installed on?
Hyundai Sonata 8 (DN8) since 2019; Kia K5 3 (DL3) since 2019.
What are the common problems of the Hyundai-Kia G4NM?
A simple naturally aspirated engine with port injection. The only potential weak point is the CVVL system: no complaints yet, but it did fail on engines of the previous generation. All known problems.
