McLaren GT 2019 -> ... 4.0 V8 620hp

Real standard and upgraded performance figures for the 4.0 V8 620hp engine in the McLaren GT 2019 -> ....

This page covers the 4.0 V8 620hp as fitted to the McLaren GT 2019 -> ... — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard620630
Stage 1820880
Stage 29201005
Make
McLaren
Model
GT
Generation
2019 -> ...
Engine
4.0 V8 620hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the McLaren GT 2019 -> ... 4.0 V8 620hp?

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 4.0 V8 620hp make after tuning?

Standard output is 620 HP / 630 Nm; Stage 1 on this engine typically reaches 820 HP / 880 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a McLaren GT 2019 -> ... 4.0 V8 620hp 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 4.0 V8 620hp 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.