
Hyundai G4DG
The main problem of the engine is oil consumption due to stuck piston rings.
Hyundai Excel (North American variant – Pony) is a middle-class car of the South Korean automaker Hyundai Motor Company. Manufactured during 1985-2000. The Excel was the first self-made car by the company, as before that it was only engaged in the assembly of Ford cars. Released 3 generations of Excel in 3 and 5-door hatchback and 4-door sedan. The car quickly gained popularity not only in the Korean domestic market, but also in the United States, Europe, South America and Africa.
The Hyundai Excel was offered with 5 engines between 1985 and 1995 (5 petrol). Displacement ranges from 1.3 to 1.5 liters, power output from 60 to 110 hp. 1 use a timing chain and 5 a timing belt. The longest rated lifespan belongs to the Hyundai G4ER (about 300,000 km).
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| Hyundai Excel 1 (X1) 1985–1989 | |||||||
| Hyundai G4DJ | 1985–1989 | 1.5 L R4 | 76–86 hp | petrol | belt | 3.3 L | ~200,000 km |
| Hyundai G4DG | 1985–1989 | 1.3 L R4 | 65–75 hp | petrol | belt | 3.3 L | ~200,000 km |
| Hyundai Excel 1 (X1), Excel 2 (X2) 1985–1995 | |||||||
| Mitsubishi 4G15 | 1985–1995 | 1.5 L R4 | 70–110 hp | petrol | belt | 3.6 L | ~300,000 km |
| Mitsubishi 4G13 | 1985–1995 | 1.3 L R4 | 60–86 hp | petrol | belt | 3.6 L | ~300,000 km |
| Other Hyundai Excel engines generation not specified | |||||||
| Hyundai G4ER | 1995–2000 | 1.5 L R4 | 99 hp | petrol | chain + belt | 3.3 L | ~300,000 km |
Hyundai Excel 1 (X1) (1985–1989): Hyundai G4DJ and Hyundai G4DG; Hyundai Excel 1 (X1), Excel 2 (X2) (1985–1995): Mitsubishi 4G15 and Mitsubishi 4G13.
By rated service life the most durable Hyundai Excel engines are: Hyundai G4ER — about 300,000 km; Mitsubishi 4G13 — about 300,000 km; Mitsubishi 4G15 — about 300,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
Engine oil capacity with filter: Hyundai G4DG — 3.3 L (10W-40); Hyundai G4DJ — 3.3 L (10W-40); Hyundai G4ER — 3.3 L (5W-40); Mitsubishi 4G13 — 3.6 L (5W-30, 5W-40); Mitsubishi 4G15 — 3.6 L (5W-30, 5W-40).
Timing chain: Hyundai G4ER; timing belt: Hyundai G4DG, Hyundai G4DJ, Hyundai G4ER, Mitsubishi 4G13 and Mitsubishi 4G15. Belts must be replaced on schedule: on many engines a broken belt bends the valves.
No, all Hyundai Excel engines in our database run on petrol.

The main problem of the engine is oil consumption due to stuck piston rings.

The most famous problem is the oil burner due to stuck piston rings.

The most famous problem of the Orion family of engines is increased or floating engine speed at idle due to strong backlash…

The trademark problem of the Orion engine family is throttle wear, which is expressed in increased or, most often, floating idle speeds.…

The unit as a whole is reliable, it is often let down by the build quality and some components.