GMC Sierra Tuning
49 supported GMC Sierra applications, 1998+.

GMC
49 supported Sierra tunes
Select Version
All Supported GMC Sierra Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 2500/3500 6.6 (L8T) | 2024-2026 | ECU | HP Tuners | ||
| 2500/3500 6.6 Duramax (Diesel) (Global B - L5P) | 2024-2026 | ECU | HP Tuners | ||
| 4500/5500/6500 6.6 Duramax (Diesel) (L5D) | 2024-2026 | ECU | HP Tuners | ||
| 1500 2.7 (L3B) | 2023-2024 | ECU | HP Tuners | ||
| 1500 3.0 Duramax (Diesel) (Global B - LM2) | 2022 | ECU | HP Tuners | ||
| 1500 3.0 Duramax (Diesel) (Global B - LZ0) | 2022-2025 | ECU | HP Tuners | ||
| 1500 5.3, 6.2 | 2022-2026 | ECU | HP Tuners | ||
| 1500 5.3 | 2021 | ECU | HP Tuners | ||
| 1500 3.0 Duramax (Diesel) (Global A - LM2) | 2020-2022 | ECU | HP Tuners | ||
| 2500HD/3500HD 6.6 (L8T) | 2020-2023 | ECU | HP Tuners | ||
| 3.0 Duramax (LM2) | 2019+ | 277 hp | TCU Bosch T93 | AutoTuner | |
| 5.3i V8 (L84) | 2019+ | 355 hp | TCU Bosch T93 | AutoTuner | |
| 6.2i V8 (L87) | 2019+ | 420 hp | TCU Bosch T93 | AutoTuner | |
| 6.6 Duramax (Diesel) (L5D) | 2019-2023 | ECU | HP Tuners | ||
| 6.6 Duramax (L5P) | 2019+ | 445 hp | TCU Bosch T93 | AutoTuner | |
| 6.6i V8 (L8T) | 2019+ | 401 hp | TCU Bosch T93 | AutoTuner | |
| 1500 5.3, 6.2 | 2019-2022 | ECU | HP Tuners | ||
| 2.7 Ecoboost | 2017+ | 310 hp | ECU Bosch MG1CS018 | AutoTuner | |
| 4.3 | 2017 | ECU | HP Tuners | ||
| 5.3, 6.0, 6.2 | 2017-2018 | ECU | HP Tuners | ||
| 6.2 V8 | 2017+ | 420 hp | ECU Delco E38 | AutoTuner | |
| 6.2 V8 | 2017+ | 420 hp | ECU Delco E92 | AutoTuner | |
| 6.2 V8 | 2017+ | 420 hp | TCU Delco T87 | AutoTuner | |
| 6.6 Duramax (Diesel) (L5P) | 2017-2023 | ECU | HP Tuners | ||
| 6.6 Duramax (L5P) | 2017+ | 445 hp | TCU Delco T87A | AutoTuner | |
| 6.6 Duramax (L5P) | 2017+ | 445 hp | TCU Delco T87 | AutoTuner | |
| 4.3 | 2015-2016 | ECU | HP Tuners | ||
| 4.3 | 2014 | ECU | HP Tuners | ||
| 4.3i V6 | 2014+ | 285 hp | ECU Delco E92 | AutoTuner | |
| 4.3i V6 | 2014+ | 285 hp | TCU Delco T87A | AutoTuner | |
| 4.3i V6 | 2014+ | 285 hp | TCU Delco T87 | AutoTuner | |
| 4.8, 5.3, 6.0, 6.2 | 2014-2016 | ECU | HP Tuners | ||
| 5.3i V8 | 2014+ | 355 hp | ECU Delco E92 | AutoTuner | |
| 5.3i V8 | 2014+ | 355 hp | TCU Delco T87 | AutoTuner | |
| 6.2L V8 | 2014+ | 426 hp | ECU Delco E92 | AutoTuner | |
| 6.2L V8 | 2014+ | 426 hp | TCU Delco T87 | AutoTuner | |
| 6.6 Duramax | 2014+ | 397 hp | ECU Bosch EDC17CP18 | AutoTuner | |
| 6.6 Duramax (Diesel) (LML) | 2011-2016 | ECU | HP Tuners | ||
| 4.3 | 2008-2013 | ECU | HP Tuners | ||
| 4.8, 5.3, 6.0, 6.2 | 2007-2013 | ECU | HP Tuners | ||
| 6.6 Duramax | 2007+ | 397 hp | ECU Bosch EDC17CP18 | AutoTuner | |
| 6.6 Duramax (Diesel) (LMM) | 2007-2010 | ECU | HP Tuners | ||
| 6.6 Duramax (Diesel) (LBZ) | 2006-2007 | ECU | HP Tuners | ||
| 6.6 Duramax (Diesel) (LLY) | 2004-2006 | ECU | HP Tuners | ||
| 4.3 | 2001-2007 | ECU | HP Tuners | ||
| 6.6 Duramax (Diesel) (LB7) | 2001-2004 | ECU | HP Tuners | ||
| 4.8, 5.3, 5.7, 6.0, 8.1 | 1999-2007 | ECU | HP Tuners | ||
| 4.3 | 1998-2000 | ECU | HP Tuners | ||
| 5.0, 5.7, 7.4 | 1998-2000 | ECU | HP Tuners |
Other GMC Models
About GMC Sierra tuning
Rapid Racing supports 49 GMC Sierra applications from 1998+ through AutoTuner and HP Tuners, with stock outputs up to 445 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. Remote tuning is available for supported GMC Sierra applications.
Supported engines: 2.7 Ecoboost, 3.0 Duramax (LM2), 4.3, 4.3i V6, 4.8, 5.3, 5.7, 6.0, 8.1, 4.8, 5.3, 6.0, 6.2, 5.0, 5.7, 7.4, 5.3, 6.0, 6.2, 5.3i V8, 5.3i V8 (L84), 6.2 V8, 6.2i V8 (L87), 6.2L V8, 6.6 Duramax, 6.6 Duramax (Diesel) (L5D), 6.6 Duramax (Diesel) (L5P), 6.6 Duramax (Diesel) (LB7), 6.6 Duramax (Diesel) (LBZ), 6.6 Duramax (Diesel) (LLY), 6.6 Duramax (Diesel) (LML), 6.6 Duramax (Diesel) (LMM), 6.6 Duramax (L5P), 6.6i V8 (L8T), 1500 2.7 (L3B), 1500 3.0 Duramax (Diesel) (Global A - LM2), 1500 3.0 Duramax (Diesel) (Global B - LM2), 1500 3.0 Duramax (Diesel) (Global B - LZ0), 1500 5.3, 1500 5.3, 6.2, 2500/3500 6.6 (L8T), 2500/3500 6.6 Duramax (Diesel) (Global B - L5P), 2500HD/3500HD 6.6 (L8T), 4500/5500/6500 6.6 Duramax (Diesel) (L5D).
Supported controllers: Bosch EDC17CP18, Bosch MG1CS018, Bosch T93, Delco E38, Delco E92, Delco T87, 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.
