GMC Yukon 2014 -> 6.2 V8 420hp

Real standard and upgraded performance figures for the 6.2 V8 420hp engine in the GMC Yukon 2014 ->.

Below: measured output for the 6.2 V8 420hp in the GMC Yukon 2014 ->, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard420610
Stage 1440630
Stage 2450640
Make
GMC
Model
Yukon
Generation
2014 ->
Engine
6.2 V8 420hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the GMC Yukon 2014 -> 6.2 V8 420hp?

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 6.2 V8 420hp make after tuning?

Standard output is 420 HP / 610 Nm; Stage 1 on this engine typically reaches 440 HP / 630 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a GMC Yukon 2014 -> 6.2 V8 420hp 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 6.2 V8 420hp 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.