The 4.5-liter 32-valve Hyundai G8AA engine was assembled by the company from 1999 to 2003 and was installed on the first generation of the Equus model and the Centennial limousine created on its basis. Such a power unit is essentially a variation of the well-known Mitsubishi 8A80 V8 engine.
Omega family: G8AA, G8AB.
Specifications
| Production years | 1999-2003 |
| Displacement, cc | 4498 |
| Fuel system | direct injection |
| Power output, hp | 260 |
| Torque output, Nm | 380 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 96.8 |
| Compression ratio | 10.7 |
| Features | VIS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.8 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Hyundai Equus 2000) — city — highway — combined |
19.7 9.5 12.1 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 230 (with attachments) |
The engine was installed on:
- Hyundai Equus 1 (LZ) in 1999 – 2003.
Disadvantages of the Hyundai G8AA engine
- The engine requires high-quality gasoline with a high octane rating or will run unstable;
- Also, this unit suffers from rapid carbon formation on the intake valves;
- Regularly check the condition of the timing belt, because its breakage is fatal for the motor;
- After 100,000 km, catalysts can already fall apart and clog the exhaust with crumbs;
- And the main problem of the engine is in short supply and the extremely high cost of spare parts.
Frequently asked questions about the Hyundai G8AA
How much power does the Hyundai G8AA make?
The Hyundai G8AA develops 260 hp and 380 Nm of torque.
How much oil does the Hyundai G8AA take and which one?
Engine oil capacity: 5.8 liters. Recommended oil: 5W-30.
Does the Hyundai G8AA have a timing belt or chain?
The Hyundai G8AA uses a timing belt.
Is the Hyundai G8AA turbocharged?
No, the Hyundai G8AA is naturally aspirated.
Does the Hyundai G8AA need valve clearance adjustment?
No, the Hyundai G8AA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai G8AA last?
The typical lifespan of the Hyundai G8AA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Hyundai G8AA?
Hyundai Equus 2000: city 19.7, highway 9.5, combined 12.1 L/100 km.
What cars was the Hyundai G8AA installed on?
Hyundai Equus 1 (LZ) in 1999 - 2003.
What are the common problems of the Hyundai G8AA?
The engine requires high-quality gasoline with a high octane rating or will run unstable. Also, this unit suffers from rapid carbon formation on the intake valves. All known problems.
What engines are related to the Hyundai G8AA?
Omega family: G8AB.
