GMC Sierra - 4.8 V8 295hp

1 ECU found for this engine. Select an ECU to view available tuning services and pricing.

GMC Sierra 4.8 V8 295hp Engine Specifications

Fuel Type
Petrol
Displacement
4807 cc (4.8L)
Compression Ratio
8.8 : 1
Bore x Stroke
96.0 X 83.0 mm
Engine Code
L20
Power per Liter
61.4 HP/L

GMC Sierra 4.8 V8 295hp Stage 1 Chiptuning Results

VariantOriginal HPTuned HP+HPOriginal NmTuned Nm+Nm
4.8 V8 295hp295315+20414435+21

GMC Sierra 4.8 V8 295hp: Before this file is prepared

For the GMC Sierra 4.8 V8 295hp, the uploaded file is the final reference. We check whether it is original or already modified before preparing the order, and we contact you first if the read or selected service does not match the vehicle data.

  • Upload a complete original ECU read from the tool you used, or a TCU read only when the selected service is gearbox tuning.
  • Add the vehicle year, gearbox, read/write tool and any dashboard or diagnostic symptoms.
  • Select only the services that match the actual vehicle hardware and intended legal use.

GMC Sierra 4.8 V8 295hp Frequently Asked Questions

What tuning services are available for the GMC Sierra 4.8 V8 295hp?
WEREMAP offers 6 tuning services across 1 ECU variants for the GMC Sierra 4.8 V8 295hp.
How much does ECU tuning cost for a GMC Sierra?
ECU tuning prices for the GMC Sierra 4.8 V8 295hp range from 24 to 180 credits, depending on the ECU variant and tuning service selected.
What ECU does the GMC Sierra 4.8 V8 295hp use?
The GMC Sierra 4.8 V8 295hp is available with the following ECU variants: Delco E38. WEREMAP provides professional tuning files for all of these.

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