Since 2020, the company has been producing the 3.0-liter Hyundai D6JA or Genesis 3.0 CRDi engine, which is currently found in the GV80 executive crossover, the sole Genesis model. The first diesel R6 engine produced by a Korean company is this one.

The engine was installed on:
- Genesis GV80 1 (JX1) since 2020.
Specifications
| Production years | since 2020 |
| Displacement, cc | 2996 |
| Fuel system | Common Rail |
| Power output, hp | 249 – 278 |
| Torque output, Nm | 589 |
| Cylinder block | aluminum R6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92.3 |
| Compression ratio | 16.0 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.1 |
| Fuel type | diesel |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Genesis GV80 2021) — city — highway — combined |
12.0 7.0 8.8 |
| Engine lifespan, km | ~300 000 |
Disadvantages of the Hyundai D6JA engine
While everything is handled by firmware and different electrical problems are discussed on specialized forums;
The aluminum cylinder block’s performance at high mileage is still unknown; typical issues with the particulate filter or the EGR valve are to be expected.
