800+ dealers & 1000+ Installation Centres
 UK’s Largest Remapping Service & Dealer Network
 IMI Professionally Qualified Technicians

GMC - Sierra - 6.2 V8 - 404-BHP (01/1987 - Present)

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 - 6.2 V8 - 404-BHP (01/1987 - Present)

Power (BHP)

Original Tuned Difference Increase
404 440 +36 8%

Torque (NM)

Original Tuned Difference Increase
565 599 +34 6%
Info: 120,000 miles are less desirable to tune, and performance gains cannot always be guaranteed