12 models · 81 versions · 1997–2026
GMC remote ECU tunes
Every GMC model below is supported by HP Tuners, so we can tune it remotely: you read the car with your own interface, a tuner builds your calibration by hand and sends it back within three hours, and you pay only once it is delivered. Stage 1 is $250, Stage 2 $450 and Stage 3 $650.
Supported models
Every GMC model HP Tuners supports
12 models and 81 listed versions, per HP Tuners' supported-vehicle list (June 2026). Linked models have their own page with the full version table.
| Model | Years | Versions | Interface |
|---|---|---|---|
| Acadia | 2007–2016 | 3 versions · 3.6L | MPVI2 or newer |
| Canyon | 2004–2024 | 10 versions · 2.7L, 2.8L, 2.9L, 3.5L, 3.6L, 3.7L, 5.3L | MPVI3/4 for some years |
| Envoy | 2002–2010 | 4 versions · 4.2L, 5.3L | MPVI2 or newer |
| Jimmy | 1998–2001 | 2 versions · 4.3L | MPVI2 or newer |
| Safari | 1998–2005 | 2 versions · 4.3L | MPVI2 or newer |
| Savana | 1998–2023 | 11 versions · 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.6L, 7.4L, 8.1L | MPVI2 or newer |
| Sierra | 1998–2026 | 29 versions · 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L, 6.6L, 7.4L, 8.1L | MPVI3/4 for some years |
| Sonoma | 1997–2004 | 3 versions · 2.2L, 4.3L | MPVI2 or newer |
| Suburban | 1999 | Suburban 5.7 (1999) | MPVI2 or newer |
| Terrain | 2011–2021 | 5 versions · 1.6L, 2.0L, 2.4L, 3.0L, 3.6L | MPVI2 or newer |
| Topkick | 2001–2009 | 2 versions · 6.6L, 8.1L | MPVI2 or newer |
| Yukon | 1998–2026 | 9 versions · 3.0L, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.4L, 8.1L | MPVI3/4 for some years |
Check your exact car on HP Tuners' vehicle list before you buy credits.
Tuning data by engine
Typical gains for the GMC, by engine
- Chevrolet Silverado / Sierra 2500HD/3500HD 6.6 Duramax L5PStock 445 hpStage 1 +60–130 hp
- Chevrolet Silverado / Sierra 2500HD/3500HD 6.6 Duramax LBZStock 360 hpStage 1 +60–130 hp
- Chevrolet Silverado / Sierra 2500HD/3500HD 6.6 Duramax LMLStock 397 hpStage 1 +80–135 hp
- Chevrolet Silverado / Sierra 2500HD/3500HD 6.6 Duramax LMMStock 365 hpStage 1 +45–120 hp
- Chevrolet Silverado / Sierra 2500HD/3500HD 6.6 gas L8TStock 401 hpStage 1 +20–28 hp
Typical gains from published dyno results; your car will vary with fuel, mods and conditions.
Before you order
What you need to tune a GMC
- An HP Tuners interface. 11 of the 81 versions need an MPVI3 or MPVI4; the rest work with an MPVI2 as well. Our guide covers buying and setting it up.
- HP Tuners credits to license your car the first time you write a tune. The table on each model page lists the credit cost.
- Your stock file and a datalog from VCM Suite, HP Tuners' free software.