Outside the Escalade IQL has longer silhouette than that found on the Escalade IQ. This longer silhouette enables more room in the third-row and additional rear storage. The large eTrunk compartment under the hood offers an additional 12.2 cubic feet of secure storage.

The interior continues luxurious accommodations found in the Escalade IQ, including an optional Executive Second Row package. The Executive Second Row package has stowable tray tables, 12.6-inch-diagonal personal screens, a rear command center, dual wireless phone charging pads and massaging, heating, and ventilated seats, which also offer 14-way power adjustment and headrest speakers. The 3rd row has more than 4 inches of additional legroom (36.7″ vs. 32.3″), and an additional inch of headroom (38.2″ vs. 37.2″).