2025 Gmc Yukon Denali Mpg. 225.2″l x 81″w x 77″h. Fuel economy is 17 mpg overall, not great, but 1 mpg better than the previous generation.
227″ l x 81″w x 76″h. 2025 gmc yukon specifications, including powertrain, range, charging, chassis, suspension, wheels, tires, exterior and interior dimensions and other specs.