Vortec 5.3L V8 SFI FlexFuel engine

  • 310 hp @ 5200 rpm and 334 lb-ft of torque @ 4500 rpm
  • Offers you the option of filling up with E851 FlexFuel

It is available on 1500 models and standard on 1500 AWD models.

1 E85 is a combination of 85% ethanol and 15% gasoline. Visit gmc.com and search E85 for more information on E85 as an alternative fuel.