Cadillac CT6 Tuning
13 supported Cadillac CT6 applications, 2017+.

Cadillac
13 supported CT6 tunes
Select Version
All Supported Cadillac CT6 Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 2.0T | 2020+ | 270 hp | ECU Delco E80 | AutoTuner | |
| 2.0T | 2020+ | 270 hp | TCU Delco T87 | AutoTuner | |
| 2.0T | 2020+ | 270 hp | TCU Bosch T93 | AutoTuner | |
| 3.0 V6 | 2020+ | 409 hp | ECU Delco E81 | AutoTuner | |
| 3.0 V6 | 2020+ | 409 hp | TCU Bosch T93 | AutoTuner | |
| 3.6 V6 | 2020+ | 340 hp | ECU Delco E82 | AutoTuner | |
| 3.6 V6 | 2020+ | 340 hp | TCU Bosch T93 | AutoTuner | |
| 4.2 V8 TT | 2020+ | 503 hp | ECU Delco E80 | AutoTuner | |
| 4.2 V8 TT | 2020+ | 503 hp | TCU Bosch T93 | AutoTuner | |
| 4.2 V8 TT (CTS-V) | 2020+ | 557 hp | ECU Delco E80 | AutoTuner | |
| 4.2 V8 TT (CTS-V) | 2020+ | 557 hp | TCU Bosch T93 | AutoTuner | |
| 3.0 | 2018 | ECU | HP Tuners | ||
| 2.0, 3.0, 3.6 | 2017 | ECU | HP Tuners |
Other Cadillac Models
About Cadillac CT6 tuning
Rapid Racing supports 13 Cadillac CT6 applications from 2017+ through AutoTuner and HP Tuners, with stock outputs up to 557 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 2.0, 3.0, 3.6, 2.0T, 3.0, 3.0 V6, 3.6 V6, 4.2 V8 TT, 4.2 V8 TT (CTS-V).
Supported controllers: Bosch T93, Delco E80, Delco E81, Delco E82, Delco T87.
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.
