Challenger Terragator All TG8400 8.4 - 398hp
Real standard and upgraded performance figures for the TG8400 8.4 - 398hp engine in the Challenger Terragator All.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Challenger Terragator All TG8400 8.4 - 398hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 398 | 1540 |
| Stage 1 | 500 | 1925 |
| Stage 2 | 551 | 2117 |
- Make
- Challenger
- Model
- Terragator
- Generation
- All
- Engine
- TG8400 8.4 - 398hp
- Fuel type
- diesel
Frequently asked questions
Is Stage 1 tuning safe for the Challenger Terragator All TG8400 8.4 - 398hp?
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 TG8400 8.4 - 398hp make after tuning?
Standard output is 398 HP / 1540 Nm; Stage 1 on this engine typically reaches 500 HP / 1925 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Challenger Terragator All TG8400 8.4 - 398hp 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 TG8400 8.4 - 398hp 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.