The 1.8-liter Hyundai G4CN engine was assembled from 1992 to 1998 under license in South Korea, because by design it was a complete copy of the Mitsubishi power unit with the 4G67 index. This DOHC engine is best known for its top-of-the-line Lantra in many markets.
Sirius family:
1.6 L – G4CR;
1.8 L – G4CN, G4CM, G4JN;
2.0 L – G4CP, G4JP;
2.4 L – G4JS, G4CS.
Specifications
| Production years | 1992-1998 |
| Displacement, cc | 1836 |
| Fuel system | injector |
| Power output, hp | 126 |
| Torque output, Nm | 165 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 81.5 |
| Piston stroke, mm | 88 |
| Compression ratio | 9.2 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 10W-40 |
| Engine oil capacity, liter | 3.7 |
| Fuel type | petrol |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Hyundai Lantra 1994) — city — highway — combined |
9.4 7.2 8.1 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 150.8 (without attachments) |
The engine was installed on:
- Hyundai Lantra 1 (J1) in 1992 – 1995;
- Hyundai Sonata 3 (Y3) in 1993 – 1998.
Disadvantages of the Hyundai G4CN engine
- Monitor the condition of the balancer belt, if it breaks, it falls under the timing belt.
- All this usually ends with a broken timing belt and a meeting of valves with pistons.
- The throttle and idle speed controller also get dirty very quickly, and then the speed starts to float.
- Saving on lubrication here often ends with the failure of hydraulic lifters.
- Owners also complain about an unreliable fuel pump and weak engine mounts.
Frequently asked questions about the Hyundai G4CN
How much power does the Hyundai G4CN make?
The Hyundai G4CN develops 126 hp and 165 Nm of torque.
How much oil does the Hyundai G4CN take and which one?
Engine oil capacity: 3.7 liters. Recommended oil: 10W-40.
Does the Hyundai G4CN have a timing belt or chain?
The Hyundai G4CN uses a timing belt.
Is the Hyundai G4CN turbocharged?
No, the Hyundai G4CN is naturally aspirated.
Does the Hyundai G4CN need valve clearance adjustment?
No, the Hyundai G4CN has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai G4CN last?
The typical lifespan of the Hyundai G4CN is ~300 000 km with proper maintenance.
What is the fuel consumption of the Hyundai G4CN?
Hyundai Lantra 1994: city 9.4, highway 7.2, combined 8.1 L/100 km.
What cars was the Hyundai G4CN installed on?
Hyundai Lantra 1 (J1) in 1992 - 1995; Hyundai Sonata 3 (Y3) in 1993 - 1998.
What are the common problems of the Hyundai G4CN?
Monitor the condition of the balancer belt, if it breaks, it falls under the timing belt. All this usually ends with a broken timing belt and a meeting of valves with pistons. All known problems.
