The 1.0-liter Hyundai G4HC gasoline engine was produced by the concern from 1997 to 2003 and was installed on compact Atos and Atos Prime models, as well as their clones Amica and Kia Visto. There were two versions of this engine: with a conventional distributor and a non-contact ignition system.
Epsilon family: G3HA, G4HA, G4HC, G4HE, G4HD, G4HG.
Specifications
| Production years | 1997-2003 |
| Displacement, cc | 999 |
| Fuel system | distributed injection |
| Power output, hp | 54 (G4HC with distributor) 55 – 58 (G4HC-E with DLI) |
| Torque output, Nm | 73 (G4HC with distributor) 82 – 84 (G4HC-E with DLI) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 66 |
| Piston stroke, mm | 73 |
| Compression ratio | 9.5 (G4HC with distributor) 9.7 (G4HC-E with DLI) |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 3.1 |
| Fuel type | petrol |
| Euro standards | EURO 2 (G4HC with distributor) EURO 3 (G4HC-E with DLI) |
| Fuel consumption, L/100 km (for Hyundai Atos 2000) — city — highway — combined |
8.0 5.4 6.3 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 83.9 |
The engine was installed on:
- Hyundai Atos 1 (MX) in 1997 – 2003.
Disadvantages of the Hyundai G4HC engine
- This is not a very resourceful engine, but it has no big problems in terms of reliability;
- The main reason for floating engine speed is contamination of the throttle or idle speed controller;
- Also, the insulation of the wiring often cracks here and the motor simply starts to triple;
- Due to the weak tension, the alternator belt constantly flies, it is necessary to modify;
- Closer to 200,000 km, the unit asks for capital, since there are repair dimensions.
Frequently asked questions about the Hyundai-Kia G4HC
How much power does the Hyundai-Kia G4HC make?
Power output of the Hyundai-Kia G4HC, hp: 54 (G4HC with distributor); 55 - 58 (G4HC-E with DLI). Torque, Nm: 73 (G4HC with distributor); 82 - 84 (G4HC-E with DLI).
How much oil does the Hyundai-Kia G4HC take and which one?
Engine oil capacity: 3.1 liters. Recommended oil: 5W-40.
Does the Hyundai-Kia G4HC have a timing belt or chain?
The Hyundai-Kia G4HC uses a timing belt.
Is the Hyundai-Kia G4HC turbocharged?
No, the Hyundai-Kia G4HC is naturally aspirated.
Does the Hyundai-Kia G4HC need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Hyundai-Kia G4HC last?
The typical lifespan of the Hyundai-Kia G4HC is ~200 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G4HC?
Hyundai Atos 2000: city 8.0, highway 5.4, combined 6.3 L/100 km.
What cars was the Hyundai-Kia G4HC installed on?
Hyundai Atos 1 (MX) in 1997 - 2003.
What are the common problems of the Hyundai-Kia G4HC?
This is not a very resourceful engine, but it has no big problems in terms of reliability. The main reason for floating engine speed is contamination of the throttle or idle speed controller. All known problems.
