Challenger MT All 865C C18 Acert - 525hp

Real standard and upgraded performance figures for the 865C C18 Acert - 525hp engine in the Challenger MT All.

Below: measured output for the 865C C18 Acert - 525hp in the Challenger MT All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard5251
Stage 15251
Stage 25251
Make
Challenger
Model
MT
Generation
All
Engine
865C C18 Acert - 525hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Challenger MT All 865C C18 Acert - 525hp?

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 865C C18 Acert - 525hp make after tuning?

Standard output is 525 HP / 1 Nm; Stage 1 on this engine typically reaches 525 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Challenger MT All 865C C18 Acert - 525hp 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 865C C18 Acert - 525hp 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.