Buick 3.0L V6 Tuning
Supported in 2 Buick models, 2007+.
Buick
4 supported 3.0L V6 applications
Models With the Buick 3.0L V6
All Supported Buick 3.0L V6 Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Lacrosse | 2009+ | 255 hp | ECU Delco E39 | AutoTuner | |
| Lacrosse | 2009+ | 255 hp | ECU Delco E39A | AutoTuner | |
| Park Avenue | 2007+ | 255 hp | ECU Delco E39 | AutoTuner | |
| Park Avenue | 2007+ | 255 hp | ECU Delco E39A | AutoTuner |
About Buick 3.0L V6 tuning
We tune the Buick 3.0L V6 in 4 applications across the Lacrosse, Park Avenue, from 2007+, in gasoline form, with stock outputs of 255 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: Delco E39, Delco E39A.
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.