Engine, Vortec 6.0L Variable Valve Timing V8 SFI, E85-compatible, FlexFuel

Vortec® 6.0L Variable Valve Timing V8 SFI engine

  • E85-capable1 engine is the standard workhorse for the Sierra Denali
  • 360 hp @ 5400 rpm and 380 lb-ft of torque @ 4200 rpm with the fleetside pickup box
  • Variable Valve Timing (VVT) optimizes high-end power and low-end torque
. 1 E85 is a blend of 85 percent ethanol and 15 percent regular gasoline. Go to www.gmc.com and search E85 for more information about E85 as an alternative fuel.