Vortec 6.0L V8 SFI FlexFuel engine

  • 342 hp @ 5400 rpm and 373 lb-ft of torque @ 4400 rpm
  • FlexFuel option lets you choose E851 FlexFuel

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.