Engine options: Available with a 6.2L V8 engine (420 hp, 460 lb-ft) or a Duramax diesel engine.
Towing capacity: Up to 8,400 lbs for the standard Yukon and up to 7,800 lbs for the Yukon XL.
Fuel economy:
Diesel: Up to 21/26 mpg city/highway for standard wheelbase models and 20/26 mpg for 4WD.
6.2L V8: Around 15/20 mpg city/highway.
Dimensions:
Yukon: 210.1 inches long, 76.5 inches tall, 81 inches wide.
Yukon XL: 225.2 inches long.
Cargo space:
Yukon: 25.5 cu. ft. behind the third row, 72.5 cu. ft. behind the second row, and a maximum of 122.8 cu. ft..
Yukon XL: Up to 41.5 cu. ft. behind the third row, 93.6 cu. ft. behind the second row, and a maximum of 144.5 cu. ft..
