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At 23 mpg highway,1 the 5.3L V8 scores the best highway fuel economy in a full-size SUV, while producing 355 hp and 383 lb.-ft. of torque. Other features include:

  • Advanced Direct Injection for quieter operation and improved efficiency
  • Active Fuel Management technology that activates or deactivates four of Yukon’s eight cylinders based on load and power demand
  • Variable Valve Timing that adjusts to different engine rpms and driving conditions to maximize performance
  • Yukon XL features a 31-gallon gas tank compared to 26-gallon tank of standard Yukon

1. EPA-estimated 16 city/23 hwy 2WD 5.3L V-8. Based on GM Large SUV Segment.