Jeep Grand Cherokee 2011 - 2020 SRT8 6.4 Hemi V8 475hp
Real standard and upgraded performance figures for the SRT8 6.4 Hemi V8 475hp engine in the Jeep Grand Cherokee 2011 - 2020.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Jeep Grand Cherokee 2011 - 2020 SRT8 6.4 Hemi V8 475hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 475 | 637 |
| Stage 1 | 495 | 655 |
| Stage 2 | 505 | 664 |
- Make
- Jeep
- Model
- Grand Cherokee
- Generation
- 2011 - 2020
- Engine
- SRT8 6.4 Hemi V8 475hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Jeep Grand Cherokee 2011 - 2020 SRT8 6.4 Hemi V8 475hp?
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 SRT8 6.4 Hemi V8 475hp make after tuning?
Standard output is 475 HP / 637 Nm; Stage 1 on this engine typically reaches 495 HP / 655 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Jeep Grand Cherokee 2011 - 2020 SRT8 6.4 Hemi V8 475hp 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 SRT8 6.4 Hemi V8 475hp 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.