Powertrains and Performance
The 2019 GMC Yukon XL is powered by a potent 5.3-liter EcoTec3 V8 engine, paired with a six-speed automatic transmission. This engine cranks out 355 horsepower and 383 lb-ft of torque. For more power, you can opt instead for the 6.2-liter EcoTec3 V8 engine, mated to a 10-speed automatic transmission and delivering 420 horsepower and 460 lb-ft of torque. This engine enables towing up 8,500 pounds.