Only Musso was equipped with the 2.0-liter gasoline engine SsangYong G20D, which the company assembled between 1993 and 1998. This is actually a replica of the Mercedes M111 engine, sometimes referred to as the M161. This engine and the New Actyon crossover unit under the G20DF index are often confused.

G16DF, G20D, G20DF, G23D, and G32D are Ssangyong gasoline engines.
Specifications
| Production years | 1993-1998 |
| Displacement, cc | 1998 |
| Fuel system | distributed injection |
| Power output, hp | 133 |
| Torque output, Nm | 180 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 89.9 |
| Piston stroke, mm | 78.7 |
| Compression ratio | 10.4 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | double row chain |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 7.5 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for SsangYong Musso 1997) — city — highway — combined |
15.4 9.9 12.2 |
| Engine lifespan, km | ~350 000 |
The engine was installed on:
- SsangYong Musso 1 (FJ) in 1993 – 1998.
Disadvantages of the SsangYong G20D engine
This power unit is dependable and highly inventive, and all of its issues stem from aging;
Only pump leaks and malfunctions of the mass air flow sensor and crankshaft position sensor frequently cause problems up to 100,000 kilometers;
Nozzles and the crankcase ventilation system are frequently clogged at high mileage;
Additionally, phase regulator failures and ignition system failures occur frequently;
Oil scraper rings cause lubricant consumption closer to 200,000 kilometers.
