2024 Yukon Xl Denali Duramax. Edmunds also has gmc yukon xl pricing, mpg, specs, pictures, safety features, consumer reviews and more. 2024 gmc yukon denali ultimate (duramax):
A total of five trim levels are offered, including sle, slt, at4, denali, and denali ultimate. The 2025 yukon denali lineup starts with a choice between the standard model and the even larger xl model.