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Paired with a 6-speed heavy-duty automatic transmission to deliver 360 horsepower and 380 lb.-ft. of torque. The standard Vortec engine also includes:

  • Variable Valve Timing (VVT) optimizes high-end power and low-end torque
  • E85-capable

1. E85 is a blend of 85 percent ethanol and 15 percent regular gasoline. Go to and search E85 for more information about E85 as an alternative fuel.