Challenger MT All 665E 8.4 - 320hp

Real standard and upgraded performance figures for the 665E 8.4 - 320hp engine in the Challenger MT All.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Challenger MT All 665E 8.4 - 320hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard3201
Stage 13201
Stage 23201
Make
Challenger
Model
MT
Generation
All
Engine
665E 8.4 - 320hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Challenger MT All 665E 8.4 - 320hp?

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 665E 8.4 - 320hp make after tuning?

Standard output is 320 HP / 1 Nm; Stage 1 on this engine typically reaches 320 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Challenger MT All 665E 8.4 - 320hp 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 665E 8.4 - 320hp 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.