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GMC Sierra 2008 - 2013: Engine Variants

Select an engine variant to view available tuning files and power gains.

Petrol
4.3 V6 195hp +20bhp available 4.8 V8 302hp +18bhp available 5.3 V8 326hp +19bhp available 6.0 V8 360hp +20bhp available 6.2 V8 403hp +22bhp available
Diesel
6.6 Duramax 365hp +30bhp available

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