2025 Yukon Denali Ultimate Diesel Specs. A total of five trim levels are offered, including sle, slt, at4, denali, and denali ultimate. 2025 gmc yukon specifications, including powertrain, range, charging, chassis, suspension, wheels, tires, exterior and interior dimensions and other specs.

The yukon includes safety features like. Here’s a breakdown of 2025 gmc yukon xl and gmc yukon towing capacities across the entire trim lineup, and with the suv’s three available powerplants.