Cadillac 3.6 V6 Tuning
Supported in 6 Cadillac models, 2003+.
Cadillac
16 supported 3.6 V6 applications
Models With the Cadillac 3.6 V6
All Supported Cadillac 3.6 V6 Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| ATS | 2012+ | 323 hp | ECU Delco E82 | AutoTuner | |
| ATS | 2012+ | 323 hp | ECU Delco E39A | AutoTuner | |
| ATS | 2012+ | 323 hp | TCU Delco T87A | AutoTuner | |
| CT6 | 2020+ | 340 hp | ECU Delco E82 | AutoTuner | |
| CT6 | 2020+ | 340 hp | TCU Bosch T93 | AutoTuner | |
| CTS | 2007+ | 323 hp | ECU Delco E82 | AutoTuner | |
| CTS | 2007+ | 323 hp | ECU Delco E39A | AutoTuner | |
| CTS | 2007+ | 323 hp | TCU Delco T87A | AutoTuner | |
| CTS | 2003+ | 258 hp | ECU Bosch ME9.6.1 | AutoTuner | |
| SRX | 2006+ | 258 hp | ECU Bosch ME9.6.1 | AutoTuner | |
| XT5 | 2016+ | 323 hp | ECU Delco E82 | AutoTuner | |
| XT5 | 2016+ | 323 hp | ECU Delco E39A | AutoTuner | |
| XT5 | 2016+ | 323 hp | TCU Delco T87A | AutoTuner | |
| XT6 | 2019+ | 323 hp | ECU Delco E82 | AutoTuner | |
| XT6 | 2019+ | 323 hp | ECU Delco E39A | AutoTuner | |
| XT6 | 2019+ | 323 hp | TCU Delco T87A | AutoTuner |
About Cadillac 3.6 V6 tuning
We tune the Cadillac 3.6 V6 in 16 applications across the ATS, CT6, CTS, SRX, XT5, XT6, from 2003+, in gasoline form, with stock outputs of 258-340 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: Bosch ME9.6.1, Bosch T93, Delco E39A, Delco E82, Delco T87A.
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.