McLaren 600LT 2018 -> 3.8 V8 600hp

Real standard and upgraded performance figures for the 3.8 V8 600hp engine in the McLaren 600LT 2018 ->.

The McLaren 600LT 2018 -> 3.8 V8 600hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.

Horsepower (HP)Torque (Nm)
Standard600620
Stage 1660720
Stage 2690770
Make
McLaren
Model
600LT
Generation
2018 ->
Engine
3.8 V8 600hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the McLaren 600LT 2018 -> 3.8 V8 600hp?

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 3.8 V8 600hp make after tuning?

Standard output is 600 HP / 620 Nm; Stage 1 on this engine typically reaches 660 HP / 720 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a McLaren 600LT 2018 -> 3.8 V8 600hp 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 3.8 V8 600hp 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.