GMC Sierra 1999 - 2007 5.3 V8 295hp
Real standard and upgraded performance figures for the 5.3 V8 295hp engine in the GMC Sierra 1999 - 2007.
Standard vs. upgraded performance for the GMC Sierra 1999 - 2007 5.3 V8 295hp, based on real files we've processed for this exact engine.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 295 | 447 |
| Stage 1 | 315 | 470 |
| Stage 2 | 325 | 481 |
- Make
- GMC
- Model
- Sierra
- Generation
- 1999 - 2007
- Engine
- 5.3 V8 295hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the GMC Sierra 1999 - 2007 5.3 V8 295hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 5.3 V8 295hp make after tuning?
Standard output is 295 HP / 447 Nm; Stage 1 on this engine typically reaches 315 HP / 470 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a GMC Sierra 1999 - 2007 5.3 V8 295hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 5.3 V8 295hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.