Genesis 3.8 GDI Tuning
Supported in 2 Genesis models, 2015+.
Genesis
2 supported 3.8 GDI applications
Models With the Genesis 3.8 GDI
All Supported Genesis 3.8 GDI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| G80 | 2016+ | RG3 | 315 hp | ECU Continental SIM2K-260 | AutoTuner |
| G90 | 2015+ | 315 hp | ECU Continental SIM2K-260 | AutoTuner |
About Genesis 3.8 GDI tuning
We tune the Genesis 3.8 GDI in 2 applications across the G80, G90, from 2015+, in gasoline form, with stock outputs of 315 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Continental SIM2K-260.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.