GMC Sierra - 6.6 V8 D Duramax - 403-BHP (01/2011 - 01/2015) | ECU Remap - Chip Tuning - DPF Solution | EGR Solution - Quantum Tuning
 Quantum Authorised Dealer
 30-Day Money Back Guarantee
 IMI Qualified Technicians

GMC - Sierra - 6.6 V8 D Duramax - 403-BHP (01/2011 - 01/2015) -

The graph above is an automated template to show the difference between original and tuned power and torque
Vehicle Picture
Vehicle: Pick-ups
Manufacturer: GMC
Range: Sierra
Model: Sierra - 6.6 V8 D Duramax - 403-BHP (01/2011 - 01/2015)

Power (BHP)

Original Tuned Difference Increase
403 430 +27 6%

Torque (NM)

Original Tuned Difference Increase
1037 1100 +63 6%
Info: Performance gains are commensurate with age, mileage, and condition of the vehicle, along with environmental conditions and grade of fuel