what is the difference between gmc yukon slt and denali?
The more refined details and grille of the Denali showcases the higher trim level's perks, but the SLT trim's more simple design looks just as modern and confident. ... Under the hood, the Denali trim comes with a larger 6.2-liter V-8 engine that puts down 420 horsepower, but at a cost to the fuel efficiency.