The 1.6-liter Hyundai G4CR engine was produced from 1990 to 1995 under license, as it was essentially a copy of the Mitsubishi 4G61 engine, and it was installed on the first generation of the Lantra model. Unlike other power units of this series, this one never had balance shafts.
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 | 1990-1995 |
| Displacement, cc | 1596 |
| Fuel system | injector |
| Power output, hp | 105 – 115 |
| Torque output, Nm | 130 – 140 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82.3 |
| Piston stroke, mm | 75 |
| Compression ratio | 9.2 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 15W-40 |
| Engine oil capacity, liter | 3.7 |
| Fuel type | petrol |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Hyundai Lantra 1992) — city — highway — combined |
10.6 6.7 8.5 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 142.2 (without attachments) |
The engine was installed on:
- Hyundai Lantra 1 (J1) in 1990 – 1995.
Disadvantages of the Hyundai G4CR engine
- The most common problem is a sudden break in the timing belt with bent valves.
- In second place are floating idle speeds due to throttle contamination.
- Electrical failures are also not uncommon, especially in wet weather.
- The use of cheap oil often leads to failure of hydraulic lifters.
- The weak points of this unit include an unreliable gas pump and weak pillows.
Frequently asked questions about the Hyundai G4CR
How much power does the Hyundai G4CR make?
The Hyundai G4CR develops 105 - 115 hp and 130 - 140 Nm of torque.
How much oil does the Hyundai G4CR take and which one?
Engine oil capacity: 3.7 liters. Recommended oil: 15W-40.
Does the Hyundai G4CR have a timing belt or chain?
The Hyundai G4CR uses a timing belt.
Is the Hyundai G4CR turbocharged?
No, the Hyundai G4CR is naturally aspirated.
Does the Hyundai G4CR need valve clearance adjustment?
No, the Hyundai G4CR has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai G4CR last?
The typical lifespan of the Hyundai G4CR is ~250 000 km with proper maintenance.
What is the fuel consumption of the Hyundai G4CR?
Hyundai Lantra 1992: city 10.6, highway 6.7, combined 8.5 L/100 km.
What cars was the Hyundai G4CR installed on?
Hyundai Lantra 1 (J1) in 1990 - 1995.
What are the common problems of the Hyundai G4CR?
The most common problem is a sudden break in the timing belt with bent valves. In second place are floating idle speeds due to throttle contamination. All known problems.





