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.
The engine was installed on:
- Hyundai Lantra 1 (J1) in 1990 – 1995.
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) |
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.
