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GMC - Sierra - 6.6 V8 D Duramax - 370-BHP (01/2006 - 01/2011)
The graph above is an automated template to show the difference between original and tuned power and torque
Change Model
Sierra - 4.8 V8 - 295-BHP (01/1987 - Present)
Sierra - 4.8 V8 - 302-BHP (01/1987 - Present)
Sierra - 5.3 V8 - 320-BHP (01/2007 - 01/2013)
Sierra - 6.0 V8 - 367-BHP (01/1987 - Present)
Sierra - 6.2 V8 - 404-BHP (01/1987 - Present)
Sierra - 6.2 V8 Ecotec3 - 425-BHP (01/2015 - Present)
Sierra - 6.6 V8 D Duramax - 224-BHP (01/2001 - 01/2006)
Sierra - 6.6 V8 D Duramax - 370-BHP (01/2006 - 01/2011)
Sierra - 6.6 V8 D Duramax - 403-BHP (01/2011 - 01/2015)
Sierra - 6.6 V8 D Duramax - 403-BHP (01/2015 - Present)
Vehicle:
Pick-ups
Manufacturer:
GMC
Range:
Sierra
Model:
Sierra - 6.6 V8 D Duramax - 370-BHP (01/2006 - 01/2011)
Power (BHP)
Original
Tuned
Difference
Increase
370
400
+
30
8
%
Torque (NM)
Original
Tuned
Difference
Increase
895
945
+
50
5
%
×
Info:
120,000 miles are less desirable to tune, and performance gains cannot always be guaranteed
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