Cadillac XT4 Tuning
1 supported Cadillac XT4 application, 2018+.
Cadillac
1 supported XT4 tunes
Cadillac XT4
2.0T
238 HP stock / 258 lb-ft
2018+
- Controller
- Engine (ECU): Delco E39A
- Flash method
- OBD port, Bench
AutoTunerBook a tune
All Supported Cadillac XT4 Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 2.0T | 2018+ | 238 hp | ECU Delco E39A | AutoTuner |
Other Cadillac Models
About Cadillac XT4 tuning
Rapid Racing supports 1 Cadillac XT4 application from 2018+ through AutoTuner, with stock outputs up to 238 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: 2.0T.
Supported controllers: 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.